case by case 吧。90年代的可能隐患大些，后来的就好多了。并且桥梁状况是可以年年检查的。

来源: dakinglaile 于 2024-09-16 13:33:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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