... 预制伸缩缝填料 premoulded expansion joint filler 管子填料 packing of tube; pipe packing 把两根管子接头 connect two pipes contactget in touch withmeet ...
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exhaust pipe packing 排气管填密物
breather pipe packing 通气管气封
pipe-packing 顶管
washing pipe packing 水龙头冲管盘根
PIPE LINE PACKING 管道中的气体充填
pipe-flange packing 管法兰垫
oil pipe joint packing 油管接头垫
packing exhaust communication pipe 填充式排水通气管
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。
Open packing seal cavity and cooling water pipe of other positions.
开启填料密封腔及其他部位的冷却水管。
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