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Drilling
containing
标定
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all forms
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in specified order only
Chinese
English
定指标
target
定目标
target
专用术语
API 标准定级为1级的用于钻中深直井的钻杆串
normal service
标定
calibrate
标定
重量
nominal weight
深度定向标志
depth orientation marker
确定定向坐标
dimension orientation
重返井口声控定位浮标
call-back marker buoy
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