10643| 31
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汽油焊接,據(jù)說相比乙炔省50%? |
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點(diǎn)評(píng)
沒要求,就是汽油不能一次性加太多,用一點(diǎn)加一點(diǎn),不然揮發(fā)了就不行了。安全性能比乙炔好,可以在罐口點(diǎn)火。
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點(diǎn)評(píng)
對(duì)的
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