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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
: 65 phrases in 6 subjects
Drilling16
Earth sciences1
Engineering geology2
Nautical1
Oil / petroleum28
Technology17

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