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列举了用■-55及AHO-1电焊条焊接的09Γ2低合金钢焊接接头的研究结果.建议用低毒性、高生产率的AHO-1焊条来代替■
The results of a study of 09Γ2 low-alloy steel welded joints welded with ■ -55 and AHO-1 welding electrodes are suggested. AHO-1 welding rod with low toxicity and high productivity is recommended instead of ■