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风焊是先关乙炔还是先关氧气

更新时间: 2020-09-27 00:00:00     

风焊是氧气乙炔或氧气液化气组成的金属切割、焊接,使用的工具叫割炬(3个阀门)和焊炬(2个阀门)。 关闭割炬的顺序是:先关闭上面的切割氧的阀门,再关闭下面后边的乙炔阀门,最后再关闭下面前边的混合气阀门。锡焊一般都是用锡焊剂和焊枪一起施工的,主要也是焊接在一起。注意:乙炔平不能平放和二者必须有固定措施。

关键词: 乙炔 还是 氧气

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