| Subject | Chinese | English |
| tech. | 上部平底相纹理构造 | upper plane-bed facies lamellar structure |
| tech. | 下部平底相纹理构造 | lower plane-bed facies lamellar structure |
| securit. | 不活跃底部 | dormant bottom |
| gen. | 丘脑底部图 | subthalamogram |
| gen. | 从底部给…加燃料 | underfeed (underfed) |
| tech. | 充气漏斗形底部卸料 | aerated funnel shaped bottom discharge |
| tech. | 冰川底部冰的扩展 | piedmont bulb |
| tech. | 冰川底部的 | subglacial |
| tech. | 冰川的底部 | sole of the glacier |
| tech. | 分层设色底图碎部 | underlying detail |
| shipb. | 到达底部 | bottom |
| tech. | 加高底部截槽 | snub |
| tech. | 升降机轿厢底部超跑距离 | bottom elevator car run-by |
| tech. | 后部底板 | heel slab |
| securit. | 圆盘底部技术分析 | saucer bottom |
| gen. | 在…的底部<#0> | be at the bottom of |
| tech. | 坝基最底部以上高度 | height above lowest foundation of dam |
| sport., med. | 基底部 | basilar part |
| gen. | 基底外侧部 | basolateral part |
| tech. | 堆栈的底部 | bottom of stack |
| tech. | 墩底部分 | zoccola |
| tech. | 复式滑动刀架的底部滑板 | compound rest bottom |
| tech. | 外部底涂层 | exterior undercoater |
| tech. | 外部底涂层 | exterior undercoat |
| tech. | 外部底涂层 | external undercoat |
| tech. | 外部底涂层 | external undercoater |
| tech. | 外部底涂层 | exterior rendering coat |
| tech. | 外部底涂层灰浆 | exterior undercoat plaster |
| tech. | 外部底漆 | outer primer |
| tech. | 外部底漆 | external primer |
| tech. | 外部底漆 | outer undercoater |
| tech. | 外部底漆 | outer undercoat |
| tech. | 外部底漆 | exterior primer |
| tech. | 外部打底习俗 | exterior rendering practice |
| tech. | 外部打底工艺 | exterior rendering technique |
| tech. | 外部打底技术 | exterior rendering technique |
| tech. | 外部打底方案 | exterior rendering practice |
| tech. | 外部打底材料 | exterior rendering stuff |
| tech. | 外部打底灰 | exterior rendering coat |
| tech. | 外部打底集料 | exterior rendering aggregate |
| tech. | 外部打底骨料 | exterior rendering aggregate |
| tech. | 外部用的底层涂料 | outside undercoater |
| tech. | 外部用的底层涂料 | outside undercoat |
| tech. | 多孔板型底部集水装置 | porous slab type underdrainage system |
| tech. | 大梁底部镶条 | ledger strip |
| tech. | 孔底局部反循环 | downhole partial reverse circulation |
| tech. | 孔底局部反循环钻具 | downhole partial reverse circulation tool |
| avia. | 安装在底部的仪表系统 | bottom mounted instrumentation system |
| gen. | 容器底部水泥涂盖物 | mudjacking |
| tech. | 小底部阻力喷管 | low base-drag nozzle |
| tech. | 尾框底部 | sole piece |
| tech. | 尾框底部 | keel piece |
| tech. | 尾部双层底 | double bottom afterward |
| tech. | 局部双层底 | partial double bottom |
| tech. | 局部底砂运动 | partial bed load movement |
| tech. | 局部底质运动 | partial bed load movement |
| tech. | 山谷或海底谷最底部联线 | thalweg |
| tech. | 岩层底部 | rock bottom |
| tech. | 岸墩背水面底部加围墙 | abutment toe wall |
| securit. | 市场底部 | market bottom |
| tech. | 平底部分 | flat of bottom |
| sport., med. | 底、底部 | base |
| tech. | 底板突出部分 | hog back |
| gen. | 底盘是一个组合体，主要由汽车的操纵部分、传动系统、悬架、转向部分、制动系统组成 | The chassis is an assembly of those systems that are the major operating part of a vehicle. The chassis includes the transmission, suspension, steering and brake systems |
| tech. | 底辟核顶部埋深 | depth of diapir top |
| tech. | 底部 | sole |
| tech. | 底部 | bottom (side) |
| sport. | 底部 | bottom |
| avia. | 底部 | bottom part |
| avia. | 底部 | beginning of message |
| avia. | 底部 | basis |
| gen. | 底部 | root |
| gen. | 珊瑚的底部 | scapus |
| gen. | 底部 | bas |
| securit. | 底部下降图形 | descending bottoms |
| tech. | 底部不稳 | whirler |
| securit. | 底部两日转势 | two-day reversal bottom |
| avia. | 底部中心 | bottom center |
| avia. | 底部中心线 | bottom centricity |
| tech. | 底部井眼 | downhole |
| tech. | 底部产品 | bottoms |
| tech. | 底部产品 | bottom product |
| tech. | 底部产物 | bottom product |
| tech. | 底部传动轴 | bottom drive shaft |
| tech. | 底部供液的蒸发器 | bottom-fed evaporator |
| tech. | 底部侧撑 | lower lateral |
| tech. | 底部侵蚀 | basal erosion |
| nautic., tech. | 底部修井装置总成 | lower intervention package |
| tech. | 底部倾卸 | belly-dumping |
| tech. | 底部倾卸的半挂车 | belly-dump semi-trailer |
| tech. | 底部倾卸的半挂车 | bottom-discharge semitrailer |
| tech. | 底部倾卸的半挂车 | bottom-dump semitrailer |
| tech. | 底部倾卸的半挂车 | belly discharge semi-trailer |
| tech. | 底部倾卸的平底船 | bottom-dump scow |
| tech. | 底部倾卸的平底船 | bottom-dump barge |
| tech. | 底部倾卸的平底船 | bottom-discharge scow |
| tech. | 底部倾卸的弃土车 | bottom-dumping muck-car |
| tech. | 底部倾卸的拖拉卡车 | bottom-discharge tractor-truck |
| tech. | 底部倾卸的货车 | bottom-discharge tractor-truck |
| tech. | 底部倾卸的运输车 | belly-dump wagon |
| tech. | 底部倾卸的驳船 | bottom-discharge scow |
| tech. | 底部倾卸装置 | bottom-dump unit |
| securit. | 底部偏离 | bottom divergence |
| gen. | 底部充气的 | under-aerated |
| tech. | 底部充水系统 | bottom filling system (船闸) |
| tech. | 底部冲刷 | undercutting (作用) |
| tech. | 底部冲刷 | undermining (作用) |
| gen. | 底部冲刷 | undercut (掏空) |
| tech. | 底部冲洗阀 | bottom-discharge valve |
| tech. | 底部净距 | bottom clearance |
| tech. | 底部减压 | bottom pressure relief |
| tech. | 底部凸缘接合板 | bottom flange junction plate |
| tech. | 底部出口 | bottom outlet |
| tech. | 底部出流 | subterminal outflow |
| tech. | 底部分流 | bottom tapping |
| tech. | 底部切削 | base cut |
| tech. | 底部切应力 | bottom shear stress |
| gen. | 底部切除术 | fundectomy |
| tech. | 底部刮片 | floor scraper blade (混凝土拌和机) |
| avia. | 底部前梁站位 | lower front spar station |
| tech. | 底部剪力 | b se shear |
| tech. | 底部剪力 | bottom shear |
| tech. | 底部剪力 | base shear |
| tech. | 底部剪力法 | equivalent base shear method |
| tech. | 底部力矩 | moment at base |
| gen. | 底部加宽 | flare |
| tech. | 底部加强肋 | bottom stiffener |
| tech. | 底部加料 | bottom feed |
| tech. | 底部加楔作用 | bottom wedging |
| tech. | 底部包钢皮的 | steel shod |
| gen. | 底部包钢皮的 | steel-shod |
| avia. | 底部升高角 | dead-rise angle |
| tech. | 底部升高量 | dead rise (航空、航海) |
| avia. | 底部升高量 | dead rise |
| securit. | 底部单日逆转 | reversal day bottom (技术分析) |
| tech. | 底部卸出的货车 | bottom-discharge wagon |
| tech. | 底部卸料 | bottom discharge |
| tech. | 底部卸料式货车 | floor hopper truck |
| tech. | 底部卸料拖车 | center dump trailer |
| tech. | 底部卸料斗 | bottom-dump bucket |
| tech. | 底部卸料离心机 | basket type centrifuge |
| tech. | 底部卸料离心机 | basket type centrifugal separator |
| tech. | 底部卸料车 | bottom-dump wagon |
| tech. | 底部卸料车 | bottom-dump truck |
| tech. | 底部卸料车 | center dump car |
| tech. | 底部卸料车 | bottom-dump car |
| tech. | 底部卸载 | bottom discharge |
| tech. | 底部卸载机 | bottom unloader |
| tech. | 底部压力 | underpressure |
| tech. | 底部压紧板 | bottom clamping plate |
| tech. | 底部反射体 | bottom reflector |
| tech. | 底部反射层 | bottom reflector |
| tech. | 底部取样 | bottom soil sample |
| gen. | 底部取样器 | water-finder |
| tech. | 底部可拆开的自卸卡车 | bottom-dump tipper |
| tech. | 底部可拆的存水弯 | trap with removable lower part |
| tech. | 底部叶片 | base leaf |
| securit. | 底部向上突破缺口技术分析 | basing period breakout |
| nautic., tech. | 底部吹泄阀 | bottom blow valve |
| nautic., tech. | 底部吹泄阀排污阀 | blow-down valve |
| tech. | 底部喂料 | bottom feed |
| tech. | 底部喷射口 | bottom bullnose |
| tech. | 底部固定 | bottom hold down |
| tech. | 底部图 | underside view |
| tech. | 底部地 | bottom land |
| tech. | 底部地形 | bottom contour |
| tech. | 底部地形 | bottom relief |
| tech. | 底部地形 | bottom topography |
| tech. | 底部地形 | bottom configuration |
| tech. | 底部垫 | floor pan |
| tech. | 底部基石 | base stone |
| tech. | 底部填药料 | bottom charge |
| gen. | 底部声音 | bloomy sound |
| gen. | 底部外表面 | undersurface |
| tech. | 底部宽度 | bottom width |
| ecol. | 底部密封胶 | base sealing |
| tech. | 底部对接式潜水钟 | bottom-mating bell |
| tech. | 底部导向装置 | bottom guide track |
| tech. | 底部导向装置 | bottom guide |
| tech. | 底部导洞 | bottom heading |
| tech. | 底部导洞 | bottom drift |
| tech. | 底部导流板 | bottom panel |
| tech. | 底部导轨 | bottom guide track |
| tech. | 底部导轨 | bottom guide |
| tech. | 底部封闭 | bottom seal |
| gen. | 底部尽量张开的 | full-bottomed |
| tech. | 底部平基 | sill level |
| tech. | 底部废气管道 | bottom exhaust duct |
| tech. | 底部废水管道 | bottom exhaust duct |
| tech. | 底部异重流 | underflow-density current |
| gen. | 底部引爆物 | base detonation |
| tech. | 底部引线形 | bottom lead type |
| tech. | 底部引裂条 | bottom crack inducer (混凝土道路接缝处) |
| avia. | 底部弦线 | bottom chord |
| tech. | 底部弯矩 | base moment |
| tech. | 底部形状 | bottom configuration |
| tech. | 底部截槽 | bottom cutting |
| avia. | 底部截面 | bottom section |
| tech. | 底部扇形闸门 | bottom sector gate |
| tech. | 底部打孔 | bear |
| tech. | 底部打捆器 | bottom packer |
| tech. | 底部扩大式基础 | under-reamed foundation |
| tech. | 底部扩大桩 | enlarged-base pile |
| securit. | 底部扩散技术分析 | bottom divergence |
| tech. | 底部承口清洗机 | cleaning machine for bottom sockets |
| tech. | 底部抵抗线 | bottom resistance line |
| tech. | 底部抵抗线 | bottom burden |
| tech. | 底部抹灰板 | bottom mechanical float |
| tech. | 底部拖运和洒布挂车 | bottom-dump hauling and spreading trailer |
| tech. | 底部拦污栅 | bottom trash rack |
| tech. | 底部拦污栅 | bottom rack |
| tech. | 底部挖掘 | undermine |
| securit. | 底部掉落 | bottom dropped out |
| gen. | 底部掏截槽 | underhollow |
| tech. | 底部掏捞 | toe cut |
| tech. | 底部掏槽 | jad |
| tech. | 底部掏槽 | toe cut |
| tech. | 底部掏槽 | bottom draw cut |
| tech. | 底部掏槽 | bottom cut |
| gen. | 底部掏槽工 | undercutter |
| tech. | 底部掏蚀 | basal sapping |
| tech. | 底部排放管 | bottom withdrawal tube |
| tech. | 底部排料阀 | bottom-discharge valve |
| tech. | 底部排水 | bottom-discharge of water |
| tech. | 底部排水 | bottom discharge |
| tech. | 底部排水孔 | bottom door |
| tech. | 底部排水管道 | underdrain tile |
| tech. | 底部排水系统 | bottom drainage system |
| tech. | 底部排水阀 | bottom drain valve |
| tech. | 底部排泄 | bottom discharge |
| tech. | 底部排泥 | bottom discharge |
| tech. | 底部接缝 | base joint |
| tech. | 底部接触 | base contact |
| tech. | 底部接触 | basal contact |
| tech. | 底部插头 | bottom adapter |
| tech. | 底部摄影机 | fundus camera |
| tech. | 底部摇窗 | bottom-pivoted ventilator |
| tech. | 底部摩阻力 | bottom friction |
| tech. | 底部支撑 | bottom sprag |
| tech. | 底部支柱 | bottom shore |
| tech. | 底部收缩 | bottom contraction |
| soil. | 底部收集 | bottom withdrawal |
| tech. | 底部放水孔口 | bottom outlet orifice |
| tech. | 底部放水管 | bottom emptying lery |
| tech. | 底部放水管 | bottom outlet pipe |
| tech. | 底部放水闸门 | bottom outlet gate |
| tech. | 底部整平器 | bed leveler |
| geol. | 底部断层 | sole fault |
| tech. | 底部断裂 | bottom break |
| avia. | 底部断面面积 | base area |
| tech. | 底部旋气窗 | bottom-pivoted ventilator |
| tech. | 水流的底部旋滚 | ground roller |
| tech. | 底部旋窗 | bottom-pivoted ventilator |
| tech. | 底部晶种法 | bottom-seeding method |
| ecol. | 底部曝气 | under aeration |
| tech. | 底部朝上 | bottom-up |
| tech. | 底部机动镘泥刀 | bottom mechanical trowel |
| tech. | 底部材料撒布人 | base spreader |
| tech. | 底部材料撒布机 | base spreader |
| tech. | 底部条件 | bottom condition |
| tech. | 房屋构架的底部构件 | abutment piece |
| tech. | 底部框架 | under-chassis |
| gen. | 底部框架 | underchassis |
| tech. | 底部梯度电极系 | later sonde at bottom |
| tech. | 底部横向支撑 | bottom lateral bracing |
| tech. | 底部横向杆 | bottom lateral |
| tech. | 底部横向水平支撑杆 | bottom lateral |
| tech. | 底部横坑道 | bottom drift |
| tech. | 底部横材 | bottom transverse |
| tech. | 底部止水条封 | bottom seal |
| tech. | 底部残渣 | bottom sediment and water |
| tech. | 底部残渣与水 | bottom sediment settling and water |
| gen. | 底部残留沉积物 | bottoms |
| tech. | 底部残留物 | bottoms |
| tech. | 底部水中波速 | bottom water velocity |
| tech. | 底部水平 | sill level |
| tech. | 底部水箱 | low-level water tank |
| tech. | 底部水闸 | deep sluice |
| tech. | 底部水闸剖面 | deep sluice section (图) |
| tech. | 底部水闸截面 | deep sluice section |
| tech. | 底部沉淀取样器 | bottom deposit sampler |
| tech. | 底部沉淀物 | bottom deposit |
| gen. | 底部沉淀物 | bottom |
| tech. | 底部沉积 | clastic deposit (物) |
| tech. | 底部沉积 | clastic sediment (物) |
| tech. | 底部沉积 | bottom settlings (物) |
| tech. | 底部沉积 | bottom sediment (物) |
| tech. | 底部沉积 | bottom deposit (物) |
| tech. | 底部沉积作用 | bottom sedimentation |
| tech. | 底部沉积物 | basic sediment |
| gen. | 底部泄水孔 | undersluice |
| tech. | 底部泄水坑道 | bottom emptying gallery |
| tech. | 底部泄水孔 | under sluice |
| gen. | 底部泄水孔 | undersluice (泄水渠槽) |
| tech. | 底部泄水廊道 | bottom emptying gallery |
| tech. | 底部泄水渠 | undersluice section |
| tech. | 底部泄水渠 | under-sluice channel |
| tech. | 底部泄水渠 | under-sluice canal |
| tech. | 底部泄水的闸阀 | sluice valve with bottom release |
| tech. | 底部泄水道 | under sluice |
| tech. | 底部泄水闸 | under sluice |
| tech. | 底部泄水闸 | ground sluice |
| tech. | 底部泄水闸门 | ground-sluice gate |
| tech. | 底部泄水隧洞 | low-level outlet tunnel |
| tech. | 底部泄水隧洞 | under-sluice tunnel |
| tech. | 底部泄水隧洞 | deep sluice |
| tech. | 底部泄水隧洞 | bottom-discharge tunnel |
| tech. | 底部泥沙 | bottom sediment |
| tech. | 底部泥沙取样器 | bottom sampler |
| tech. | 底部流出的管子 | bottom-discharge pipe |
| tech. | 底部流水 | bottom current |
| tech. | 底部流速 | bottom velocity |
| tech. | 底部流速 | bed velocity |
| tech. | 底部淘刷 | bottom cut |
| gen. | 底部淘空掏槽 | undermine |
| tech. | 底部深挖 | undermining |
| tech. | 底部混浊流 | underflow turbidity current |
| tech. | 底部清除塞 | bottom cleaning plug |
| tech. | 底部渗流 | underseepage |
| gen. | 底部渗流流体 | underflow |
| gen. | 底部下方渗漏 | underseepage |
| avia. | 底部温度 | bottom temperature |
| desert. | 底部滑动 | basal sliding |
| gen. | 岀铁口底部炉衬 | breast |
| tech. | 底部炮眼 | sumper |
| tech. | 底部炮眼 | toe hole |
| tech. | 底部炮眼 | snake hole |
| gen. | 底部板炮眼 | sumper |
| tech. | 底部煤层 | underseam |
| tech. | 底部照相机 | fundus camera |
| tech. | 底部片滑 | bottom slab slide |
| tech. | 底部物质 | bottom material |
| tech. | 底部牵引 | bottom traction |
| tech. | 底部状况 | bottom condition |
| tech. | 底部玻璃泛水 | bottom glazing flashing |
| avia. | 底部的 | bottoming |
| avia. | 底部直径 | base diameter |
| refrig. | 底部真空浇注 | bottom vacuum pouring |
| gen. | 底部深部矿层 | underseam |
| desert. | 底部破坏 | base failure |
| tech. | 底部等高线 | bottom contour |
| tech. | 底部管梁 | tubular sole |
| tech. | 底部粘土 | bottom clay |
| gen. | 船底部粘满海藻、贝壳的 | foul |
| tech. | 底部糙率型 | shape of bottom roughness |
| tech. | 底部纤维 | bottom fiber |
| tech. | 底部约束 | bottom contraction |
| tech. | 底部纵向多支廊道 | longitudinal floor manifolds |
| tech. | 底部纵向廊道充泄水系统 | longitudinal floor culvert system |
| tech. | 底部纵材 | bottom longitudinal |
| tech. | 底部纵骨 | bottom longitudinal |
| tech. | 底部组成的单元 | base component |
| tech. | 底部结构 | substruction |
| tech. | 底部结构 | substructure |
| tech. | 底部结构 | polycrystalline substance |
| gen. | 底部给煤 | understoke |
| tech. | 底部绳索 | lower rope |
| tech. | 底部缩窄 | bottom contraction |
| tech. | 底部翼缘接合板 | bottom flange junction plate |
| tech. | 底部翼缘钢条 | bottom flange bar |
| tech. | 底部肋骨 | floor frame |
| gen. | 底部肋骨 | floor-frame |
| tech. | 底部腰护板 | bottom wale piece (of the piling, 打桩用) |
| tech. | 底部膏条 | toe bead |
| tech. | 底部蒙皮 | bottom skin |
| tech. | 底部蒸汽加热蒸馏釜 | steam-bottom still |
| avia. | 底部表面 | bottom face |
| tech. | 底部裂缝 | bottom check |
| tech. | 底部裂缝 | basal crack |
| tech. | 底部装药 | bottom charge |
| tech. | 底部装药 | base charge |
| geol. | 底部褶皱的纵向山脊隆起 | longitudinal ridge of basal fold |
| tech. | 底部覆盖以粗麻布 | burlap-drag finish |
| tech. | 底部记录线 | bottom trace |
| tech. | 底部设有活动螺旋的日调节冰箱 | live screw bottomed ice day tank |
| tech. | 底部调查 | bottom probe |
| tech. | 底部谷粒螺旋推运器 | grain bottom auger |
| tech. | 底部负荷 | floor loading |
| tech. | 底部负荷 | floor load |
| tech. | 底部负载天线 | base-loaded antenna |
| tech. | 底部踏步 | bottom station |
| tech. | 底部轮廓 | bottom contour |
| tech. | 底部辐射采暖 | floor radiant heating |
| tech. | 底部辐射采暖 | floor panel heating |
| tech. | 底部输送升运器 | undershot elevator |
| tech. | 底部边梁 | sole bar |
| tech. | 底部进料 | underfeeding |
| tech. | 底部进料 | underfeed |
| tech. | 底部连接 | base joint |
| tech. | 底部通风式干燥器 | floor dryer |
| tech. | 底部通风粮箱 | bottom ventilated bin |
| tech. | 底部配件 | bottom fitting |
| tech. | 梁板等的底部钢筋 | bottom bar |
| tech. | 梁板等的底部钢筋 | bottom reinforcement |
| tech. | 底部钢筋 | bottom reinforcement bars |
| tech. | 底部钻孔 | snake hole |
| tech. | 底部钻进 | snakeholing |
| tech. | 底部铰接缝 | bottom articulated joint |
| tech. | 底部铺盖 | toe blanket |
| tech. | 底部锡 | tin pickup |
| tech. | 底部锡 | bottom tin |
| tech. | 底部闸门 | deep sluice |
| tech. | 底部闸门 | under sluice |
| gen. | 底部冲砂闸门 | undersluice |
| tech. | 底部阀 | foot valve |
| nautic., tech. | 底部防喷系统总成 | lower lubricator package |
| tech. | 底部防水阀 | bottom blow valve (锅炉的) |
| tech. | 底部阻力 | bottom drag |
| tech. | 底部集水坑 | bottom sump |
| tech. | 快滤池底部集水系统 | underdrain system |
| tech. | 底部预热 | bottom heating |
| tech. | 底部馈电天线 | base-driven antenna |
| tech. | 底部驱动的 | underdriven |
| tech. | 底部齐平面 | bottom flush |
| tech. | 开挖的底部 | bottom to be excavated |
| tech. | 微裂纹陶瓷器底部边缘 | chittering |
| tech. | 微裂纹陶瓷器底部边缘 | check |
| gen. | 打底部水平炮眼 | snakeholing |
| tech. | 扩大底部的建筑物 | bulb-shaped base |
| gen. | 扫底部船壳的帚状工具 | hog |
| tech. | 挖成的底部 | dredged bottom (水底) |
| tech. | 挡土墙土侧底部 | heel |
| tech. | 挡土墙基础底部的矮墙 | cut-off wall |
| gen. | 放在横过…的底部 | underlay |
| tech. | 教堂十字平面底部的窗 | pede window |
| tech. | 斗仓底部 | bin bottom |
| tech. | 斗式提升机底部料箱 | bucket elevator boot |
| tech. | 斗式提升机底部滑轮 | boot pulley |
| tech. | 斗链式提升机底部给料室 | bucket elevator boot |
| tech. | 斜坡底部 | toe of slope |
| tech. | 斜船首柱底部曲率半径 | rake radius |
| securit. | 最底部 | major bottom |
| gen. | 有爪状花瓣底部的 | unguiculate |
| gen. | 朝底部 | basad |
| tech. | 木底板部分更换 | partial replacement plank floor |
| tech. | 机床底部 | cabinet leg |
| gen. | 枕骨底部的 | basioccipital |
| tech. | 梯段底部炮眼 | toe hole |
| tech. | 楼梯底部 | soffit |
| tech. | 楼面底部离天花板上边距离 | drop |
| tech. | 檐口底部 | str ing course |
| tech. | 檐口底部 | cornice |
| tech. | 池窑底部玻璃 | stump |
| tech. | 沉积层底部 | bottom of sedimentary |
| tech. | 河道底部 | bottom of bed |
| tech. | 油舱底部水量测定器 | water finder |
| tech. | 油舱底部水量测定器 | thief sampler |
| tech. | 测定油舱底部水量 | thieving tank |
| gen. | 测深锤底部装填的油脂 | arming |
| tech. | 渠道底部 | bottom of bed |
| gen. | 滑车底部 | breech |
| tech. | 炉底下部结构 | substructure |
| tech. | 炮眼底部 | end of drill hole |
| tech. | 炮眼底部 | bottom of bore hole |
| avia. | 炮眼底部装药 | base charge |
| avia. | 炸弹底部引信 | bomb tail fuze |
| tech. | 焊缝坡口底部 | root |
| tech. | 焊缝坡口底部的圆角半径 | root radius |
| tech. | 焊缝坡口底部边缘 | root edge |
| tech. | 煤层底部 | bottom |
| gen. | 煤层底部黏土 | seggar |
| tech. | 煤层顶部底板页岩 | clod |
| tech. | 爆炸坑底部 | hydrothermal crater bottom |
| gen. | 爪状花瓣底部 | unguis |
| gen. | 犁的底部 | slade |
| tech. | 现代底部沉积 | recent bottom sediments (物) |
| gen. | 现代汽车由超过15000个独立部分组成，各部分必须协同作用。主要包括4个功能部分:引擎，车身，底盘和电控 | Today's average car contains more than 15, 000 separate, individual parts that must work together. These parts can group into four major categories: engine, body, chassis and electrical equipment |
| tech. | 现代海洋底部铁锰铜矿床 | manganese-iron-copper deposit on the modern ocean floor |
| tech. | 球鼻形尾柱底部 | aftfoot bulb |
| tech. | 用棱镜底部的水准仪 | prismatic bottom level |
| tech. | 疏松底部的平巷拱 | loose-footed roadway arch (采矿) |
| tech. | 盆地底部地形 | topography of basin bottom |
| gen. | 砂金矿床底部的粗砾 | lama |
| tech. | 穹隆底部 | basal parts of the dome |
| ecol. | 穿孔管底部排水管 | perforated-pipe underdrain |
| tech. | 突出底部 | projecting foot |
| tech. | 筛底部分 | section of screening deck |
| tech. | 筛底部分 | section of screen deck |
| tech. | 管柱底部 | shoe joint |
| tech. | 箱体底部 | bottom half |
| tech. | 纵向底部廊道 | longitudinal floor culvert |
| fishery | 船头底部架置的声纳 | chin-mounted sonar |
| tech. | 船底边弯曲部分 | turn of bilge |
| gen. | 花瓣的爪状底部基脚 | ungula |
| gen. | 草堆的底部 | staddle |
| tech. | 螺纹底部 | bottom of thread |
| tech. | 设置在滑道前端底部的圆木 | head log |
| tech. | 货舱底部 | tank top |
| tech. | 起重臂底部枢轴 | boom pin |
| tech. | 起重臂底部的卷筒 | boom foot spool |
| gen. | 车身底部板 | underbody |
| tech. | 轧花机底部梳齿板 | gin saw |
| ecol. | 辉式滤床底部 | Wheeler's filter bottom |
| tech. | 钻孔底部 | end of drill hole |
| tech. | 顶部与底部接管法兰至切线的高度 | height of top and bottom nozzles flanges from tangential line |
| gen. | 颅底蝶骨前部的 | basipresphenoid |
| gen. | 颞骨底部的 | basitemporal |
| tech. | 首部双层底 | double bottom forward |
| avia. | 黏性底部 | viscous sublayer |
| tech. | 鼓风机底部 | blower bottom |
