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。
Seamless steel line pipe is a kind of steel pipe without seams, which is mainly used in the places near the mouth of oil well or gas well to transmit oil or gas with high pressure.
无缝管线管主要是用于油井或气井的井口附近输送高压油、气的无焊缝钢管。
Such valve can be used in medium, high pressure hydraulic and pneumatic pipe line of petroleum, chemical industry and power station.
本发明特别适用于石油、化工、电站等的中、高压液、气管道。
Such valve can be used in medium, high pressure hydraulic and pneumatic pipe line of petroleum, chemical industry and power station.
本发明特别适用于石油、化工、电站等的中、高压液、气管道。
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