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.
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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?
石油供应是通过渠道或钻管螺纹。
Oil supply is made through drilled channels or pipe thread.
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