hgundas 发表于 2020-4-20 04:01:49

ISO 683-2:2016 Heat-treatable steels, alloy steels and free-cutting steels —



ISO 683-2:2016
Heat-treatable steels, alloy steels and
free-cutting steels —
Part 2:
Alloy steels for quenching and
tempering


admin 发表于 2020-4-25 23:19:42

谢谢您的分享，金币已奖励!

yuhetingquan 发表于 2020-9-8 10:43:28

很好的资料！:)，感谢分享！

wonderfuldeer 发表于 2023-8-25 08:38:53

感謝大大分享好資料:lol:lol:lol
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