Through this high pressure line, mud is pumped in to the standpipe and drill pipe.
通过这根高压管线，泥浆被泵入立管和钻忏杆。
Record all the drill pipe and casing pressure;
记录钻杆压和套压；
This drill adopts full hydraulic pressure drive, two feeding.
该机采用全液压传动，两次喂料。
This drill adopts full hydraulic pressure drive, two feeding.
该机采用全液压传动，两次喂料。
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