天然气是先关灶还是先关阀门 天然气是先关灶还是先关阀门知乎

综合百科2023-02-23 00:34:16佚名

天然气是先关灶。先关阀门会让管道中残留的燃气挥发到空气中,对身体造成伤害。而且先将灶前阀关闭,灶台上的火苗很可能会顺着炉灶进入燃气管道内,不仅容易损坏管道、阀门,更严重者,还会引发爆炸等安全事故。

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