我记得文革期间有一本各种炸药特点和怎样做烈性炸药的小册子，水银、硝酸，棉花等都是重要材料。

来源: 立竿见影-1 于 2025-11-02 18:02:37 [旧帖] [给我悄悄话] 本文已被阅读：次

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