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你量过那些螺旋钻铤和挠性短接吗？
Have you measured those spiral collars and flex joints?
youdao
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他们还没测量螺旋钻铤和无磁钻铤的长度。
They have not measured the length of spiral drill collars and monel collars yet.
youdao
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他们还没测量螺旋钻铤和无磁钻铤的长度。
They have not measured the length of spiral drill collars and monel collars yet.
youdao