缓冲应力，泥土移动引起型变，铁管都被折断了，塑料管能撑多久？

来源: 周老大于 2022-11-28 20:07:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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缓冲应力， 泥土移动引起型变，铁管都被折断了，塑料管能撑多久？