金工实习时，师傅就说：宁摸红铁不摸黑铁，就是说烧的通红的铁你心里是有准备的，反之黑铁你要随便摸，非着实的被烫坏不可

来源: 青青的山于 2023-02-07 12:33:04 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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