Longitudinally Submerged Arc Welded Pipe的意思|示意
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纵埋弧焊管
Longitudinally Submerged Arc Welded Pipe的网络常见释义
弧焊管 ... Arc-Welded Steel Pipe 电弧焊接钢管 Longitudinally Submerged Arc Welded Pipe 弧焊管 Electric-arc-welded steel-plate pipe 电弧焊钢板卷管 ...