把中学的化学老师揪出来批一顿。酒精灯盖帽，本生（煤气）灯关阀，这些都是实验室基本安全操作。

来源: fuz 于 2020-04-22 09:26:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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