Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.

其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。

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Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.

其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。

youdao