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异型钢管能够采用Φ0.8mm 细丝 CO_2气电焊,装配时要留有0.5～1mm 的间隙,特别要注意焊缝对中,消除未焊透缺陷。
Shaped steel pipe can be used Φ0.8mm filament CO_2 gas welding, assembly time to leave 0.5 ~ 1mm gap, with particular attention to weld alignment, eliminating imperfections.