當然不是薄鐵皮啊, 我家裏人就曾在人防公司工作, 防核攻擊的門都是老厚的鋼筋混凝土, 要馬達開關的.

來源: mobius 於 2025-06-22 08:02:58 [舊帖] [給我悄悄話] 本文已被閱讀：次

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