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Terms
for subject
Drilling
containing
main
|
all forms
|
exact matches only
English
Chinese
main
block valve
总闸门
main
bottom
基座
main
bottom
基岩
main
component
主要部件
main
drilling packer
防井喷主封隔器
main
drum
主滚筒
main
engine
主机
main
line
总管线
main
pump
用于井内循环泥浆的
泥浆泵
main
sill
钻台大梁
main
supply
主电源
main
valve
总闸门
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