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用ＣＯ_２气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。结果表明这种方法是可行的。
CO_2 gas shielded welding method using the appropriate welding technology and welding materials, squeezing roller shaft journal repair repair experimental study. The result shows that this method is feasible.