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逆止阀和止回阀一样吗_家居日记
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逆止阀和止回阀一样吗

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逆止阀和止回阀一样吗 一样的，只是不同区域叫法不一样，就是一个自动阀门，利用管内介质的流动压力实现阀门的开关。如果介质停止，止回阀关闭，防止介质倒流，确保管道安


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