BS EN 10246-9-2000 钢管的无损检验 第9部分:用于埋弧焊钢管径
BS EN 10246-9-2000 Non-destructive testing of steel tubes - Part 9: Automatic ultrasonic testing of the weld seam of submerged arc welded steel tubes for the detection of longitudinal and/or transverse imperfections谢谢您的分享,金币已奖励!
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