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back bead
词语: back bead
解释: 填角焊缝
词性: 名词
词典: 建筑专业英汉词典
back bead 相关解释
back bead 〔名词〕背面焊缝
back bead 〔名词〕背面焊道,背面焊缝
填角焊缝 fillet and corner weld
填角焊缝 back bead