关闭、开放、再关闭，说明仍有问题没有排除，关闭、开放、再关闭、再开放，说明问题已基本排除，可以通行

来源: 21-C 于 2025-06-03 10:58:22 [旧帖] [给我悄悄话] 本文已被阅读：次

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