当然不是薄铁皮啊, 我家里人就曾在人防公司工作, 防核攻击的门都是老厚的钢筋混凝土, 要马达开关的.

来源: mobius 于 2025-06-22 08:02:58 [旧帖] [给我悄悄话] 本文已被阅读：次

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