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从厚大结构件焊缝质量及综合效益考虑，对熔滴过渡的原理进行分析表明， Ｃ Ｏ２ 气体保护焊加实芯焊丝工艺方法将由混配气（８０ ％ Ａｒ＋ ２０ ％ Ｃ Ｏ２） 加实芯焊丝来代替。
The analysis of the principle of droplet transfer from the consideration of the weld quality and comprehensive benefit of thick structural members shows that the process of C O2 gas shielded arc welding and solid wire welding is composed of mixed gas (80% Ar + 20% C O2) plus solid core Wire instead.