cc523pate 发表于 2021-7-1 19:49:23

ISO 945-1-2019 Microstructure of cast irons — Part 1: Graphite classification

ISO 945-1-2019 Microstructure of cast irons — Part 1: Graphite classification by visual analysis
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admin 发表于 2021-7-6 23:37:06

谢谢您的分享,金币已奖励!

qingchuan65 发表于 2023-7-7 08:01:26

是原版，非常感谢！-----------------------------------------
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