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截止阀的安装方向是什么_家居日记
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截止阀的安装方向是什么

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截止阀的安装方向是什么 一般截止阀上都有箭头指示，按标识方向安装就行，如果没有箭头标识，就按低进高出安装。切勿反方向安装，否则当截止阀关闭时，阀门内仍残留压力，


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