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containing
钻孔底
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English
减少钻杆对孔底压力
rod slack
喷射式孔底反循环取芯钻具
partial jet hole bottom reverse circulation core barrel
喷射式孔底反循环取芯钻具
bottom-hole partial jet reverse circulation core tool
多孔底钻进
group drilling
多孔底钻进
cluster drilling
孔底减压钻进
fanning the bottom of the borehole
孔底动力
机
钻进
downhole motor drilling
孔底动力钻具
downhole motor tool
孔底动力钻机
downhole motor drill
孔底动力钻进
submersible motor
孔底可卸式钻头
bottoming type bit
孔底局部反循环钻具
downhole partial reverse circulation tool
孔底振动钻具
downhole vibration drill
孔底振动钻进
downhole vibro-drilling
孔底电钻
downhole electrodrill
孔底电钻钻具
down hole electrical drill
孔底电钻钻具
down hole electric drill
孔底钻进
drilling on the bottom
将钻杆下到孔底
carry pipe right to the bottom
尖底扩孔钻床
countersinking drill press
平底扩孔钻
counterbore
平底扩孔钻头
counterbore cutter
平底扩孔钻床
counterboring drill press
底部钻孔
snake hole
扩底钻孔灌注桩
bored under reamed pile
扩底钻孔灌注桩
pedestal pile
扩底钻孔灌注桩
bell-out bored pile
扩底钻孔灌注桩
bell end bored pile
根据钢绳冲程的特点确定钻头在孔底的工作状态
talk to the rope
根据钢绳冲程的特点确定钻头在孔底的工作状态
talk to the line
螺纹底孔钻
tap drill
螺纹底孔钻
tap borer
螺纹底孔钻
hole drill
钻头与孔底接触面积
bottom-hole coverage
钻头对孔底压力
down pressure
钻孔底
hole bottom
钻孔底
hole back
钻孔底
bottom of hole
钻孔底
板
perforated baseplate
钻孔底
部
end of drill hole
钻平孔底
shoulder to square up
阶级式平底扩孔钻
step counterbore
降低孔底的钻压
fanning bottom
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