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广州贵庭机电，止回阀

止回阀是指依靠介质本身流动而自动开、闭阀瓣，防止介质倒流的阀门，又称逆止阀、单向阀和背压阀。

止回阀安装在管路系统中，依靠介质压力开启和关闭的自动阀门，只允许介质向一个方向流动，同时阻止介质反方向流动

广州市贵庭机电设备有限公司生产的止回阀采用优质镀锌板制作，牢固可靠，外观美观，关闭时气密性好

广州市贵庭机电设备有限公司专业生产轴流式消防风机、离心式消防风机、防火阀、排烟阀、排烟防火阀等消防防排烟系列产品

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基本文件流程错误 SQL 调试

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空调通风系列产品

止回阀

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