luolang1314 发表于 2017-12-13 19:17:53

ISO 22825-2017 Non-destructive testing of welds

ISO 22825-2017 Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys

yuwen 发表于 2017-12-16 15:34:00

谢分享SO 22825-2017 Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys

yuwen 发表于 2017-12-19 07:38:25

谢分享ISO 22825-2017 Non-destructive testing of welds

小泥鳅丶 发表于 2018-1-12 00:17:44

新人报道暖个贴！！！
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