... 旋转钻管卡瓦 rotaryslip 旋转螺管式继电器 rotary solenoid relay 旋转接头管 hinged pipe ; swivel pipe ...
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swivel pipe joint 旋转管接头
SWIVEL PIPE CLAMP 万向接头
assembly dredge swivel pipe 船尾排泥管旋转接头
wash pipe swivel 冲管旋转接头
pipe swivel 管的旋转接头
steam pipe swivel 汽管旋转接头
Pipe swivel joint 管的回转接头
pipe line swivel coupling 管路旋转接头
The wash pipe packing of drilling swivel showed wear-and-tear continually in drilling process due to its structural design.
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.
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。
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