石油供应是通过渠道或钻管螺纹。

Oil supply is made through drilled channels or pipe thread.

youdao

通过这根高压管线，泥浆被泵入立管和钻忏杆。

Through this high pressure line, mud is pumped in to the standpipe and drill pipe.

youdao

是否能证明钻轴偏移管控良好？

Is there evidence to demonstrate that spindle run-out is well controlled?

youdao

是否能证明钻轴偏移管控良好？

Is there evidence to demonstrate that spindle run-out is well controlled?

youdao