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(焊接)弧坑裂纹
meaning in English
crater crack
Related Words
枞树状裂纹
坑子
电梯坑
藻坑
探坑
萼坑
珠坑
官坑
机坑
坑儒
(焊缝)条虫状气孔
(焊工)手持面罩
(焊接)坡口检查
(焊接)未填满(凹陷)
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