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to phrases
drill string
dril.
钻杆串
包括钻杆及工具接头等下井附件
eng.geol.
钻管
;
钻杆
;
钻杆柱
;
钻具组
oil
钻柱
tech.
钻杆组
drill string
:
64 phrases
in 5 subjects
Drilling
16
Earth sciences
1
Engineering geology
2
Oil / petroleum
28
Technology
17
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