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Terms for subject Oil / petroleum containing tapered | all forms | exact matches only
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tapered array锥形组合
tapered array三角形组合
tapered block copolymer递变嵌段共聚物
tapered casing string直径分段减小的套管柱
tapered casing string复合套管柱
tapered channel锥形孔道断面
tapered core bit锥形取心钻头
tapered cup nut锥形螺帽
tapered drill collar string塔式钻铤组合
tapered drill string分段缩径钻柱
tapered drilling line变径钢丝绳
tapered drillstring变径钻柱
tapered group锥形组合 (震源或检波器)
tapered group不等距组合
tapered half-coupling锥形半联轴器
tapered half-coupling锥形半接头
tapered hole锥形井眼
tapered-hole disk penetrometer锥孔盘针入度计
tapered increaser锥形扩孔器
tapered inlet喇叭形进口
tapered joint锥形节
tapered metal liner锥形金属罩
tapered mill锥形铣鞋
tapered mobility buffer级次流度缓冲带
tapered packer锥形封隔器
tapered pipe缩径管
tapered plug锥塞
tapered reamer锥形扩孔器
tapered rod string复合抽油杆柱
tapered rod string多级抽油杆柱
tapered roller bearing锥形滚柱轴承
tapered royalty递减矿区使用费
tapered screw锥形螺钉
tapered screw锥度螺旋
tapered screw拔梢螺丝
tapered section锥形节
tapered stabilizer锥形稳定器
tapered stabilizer变径稳定器
tapered step-core bit锥形阶梯取心钻头
tapered string塔式钻柱
tapered string变径管柱
tapered sweep锥形扫描
tapered sweep降幅扫描
tapered thread锥形螺纹
tapered transition section锥形转换节
tapered tubing直径分段减小的油管柱
tapered tubing复合油管柱
tapered window锥形窗口
two sizes tapered string双径塔式管柱