sunyibin 发表于 2016-9-20 22:36:16

BS EN 10228-3-2016

Non-destructive testing of steel forgings Part 3: Ultrasonic testing of ferritic or martensitic steel forgings

admin 发表于 2016-9-21 09:40:42

谢谢您的分享，金币已奖励!

ir_71 发表于 2017-3-9 13:20:40

Thank you very much for sharing!

gfs687 发表于 2017-12-18 19:29:54

谢谢啊，兄弟。太好了啊。兄弟。好

冷蓝色眼泪 发表于 2018-8-31 13:08:15

谢谢分享，好东西，已经购买并下载:lol
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