liuxilin1215 发表于 2019-3-14 17:46:09

BS EN 10269-2013 Steels and nickel alloys for fasteners with specified elevated

BS EN 10269-2013 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties



admin 发表于 2019-3-15 15:43:42

谢谢您的分享,金币已奖励!

hwangjbo 发表于 2022-11-22 10:44:20

奇文共欣赏 疑义相与析

zhzhyun021707 发表于 2023-4-23 12:52:46

谢谢您的分享,金币已奖励!
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