The utility model is composed of a handle, a pull rod, a barrel body, a piston, a bottom plate, an oil inlet valve, an oil outlet valve, etc.

  • 本实用新型由手柄、拉杆、筒体、活塞、底板、进油阀、出油阀、等部件所构成。

  • 互联网摘选 2025-01-19 22:46:20

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