B304N奥氏体不锈钢焊条电弧焊与钨极氩弧焊焊接接头的冲击性能比较
B304N오씨체불수강한조전호한여오겁아호한한접접두적충격성능비교
Comparing on Impact Properties of Welded Joint of B304N Austenitic Stainless Steel Welded by SMAW and TIG
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