昨天讨论设计规范，将设计标准提高至200年一遇如何？加州州府的范例现成的，问题是$$$$$$$$$$！

来源: Sequoia_CA 于 2025-02-14 08:09:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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