• 本发明公开用于输送液体手动阀管,手动波纹套筒活塞,分别同一个流量控制阀门组合一体。

    It is an integral entity which is made up of a manual corrugated pipe or sleeve piston pump and a flow controlling valve. It is suitable for liquid suction, pressing and siphoning.

    youdao

  • 本发明公开用于输送液体手动阀管,手动波纹套筒活塞,分别同一个流量控制阀门组合一体。

    It is an integral entity which is made up of a manual corrugated pipe or sleeve piston pump and a flow controlling valve. It is suitable for liquid suction, pressing and siphoning.

    youdao

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