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燃气开关怎么是开怎么是关
更新时间: 2021-05-19 04:37:27  

方法一:燃气阀门有个手柄,手柄与管道平行即是打开状态,垂直是关闭。如果没有手柄的话,阀门上有个长方形的主柄,手柄与管道平行即是打开状态,垂直是关闭。

方法二:阀门的把手与管道成“一”字证明是来得,成“十”字是关的。另外,手柄顺时针为关,逆时针为开。

关键词: 燃气 开关 怎么

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