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文章根据我国目前钢轨堆焊的现状,较详细地推荐细丝双丝填丝掺合金堆焊和钢轨自保护药芯焊丝自动焊系统。
According to the current situation of rail surfacing in our country, the article recommends in more detail the automatic welding system of filament cored wire with double-wire filler metal and the rail self-shielded flux cored wire.