最早的金属显微分析就是一个叫魏德曼的各国老头，捡了块陨铁，打磨光了以后开始的

来源: 500miles 于 2026-03-19 07:03:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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