liuxilin1215 发表于 2014-9-13 22:28:10

ISO 13663-1995 压力焊接钢管 焊缝周围分层缺陷检测用超声波试

ISO 13663-1995 Welded steel tubes for pressure purposes - Ultrasonic testing of the area adjacent to the weld seam for the detection of laminar imperfections
压力焊接钢管 焊缝周围分层缺陷检测用超声波试验


admin 发表于 2014-9-14 21:23:33

谢谢您的分享，金币已奖励
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