... 双级注水泥器double plug cement head 钻井水龙头rig swivel 井口装置well head equipment ...
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旋转钻井水龙头 rotary drilling swivel
自动钻井水龙头 drill head
钻井水龙头
Drilling faucet
以上为机器翻译结果，长、整句建议使用 人工翻译 。
钻井水龙头由于结构设计的原因，冲管盘根在钻井过程中不断磨损，特别是在高压泥浆的作用下，盘根密封常常被破坏。
The wash pipe packing of drilling swivel showed wear-and-tear continually in drilling process due to its structural design. The packing assembly was often torn by high pressure mud.
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