lack of fusion in welds 中文意思是什麼
lack of fusion in welds
解釋
焊縫中的未熔合-
Often lack of fusion adjacent to the girder web in the transverse groove welds led to the cracking.
在靠近主梁腹板的橫向坡口焊縫處常常出現未熔透而導致裂紋。
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