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对于厚1毫米钢板圆筒接缝的焊接,过去一直都用气焊,工效既低(一个工班只能焊接5米焊缝)还需要氧气(运输不便)。经用(?)3.2毫米焊条进行电焊试验,电流强度在50～150安培之间用0.618
For the welding of thick 1 mm steel cylinder joints, gas welding has been used in the past with low ergonomics (only 5 m welds per working class) and oxygen (inconvenient transportation). The welding test was carried out with (?) 3.2mm electrode, the current intensity was between 50-150 amperes with 0.618