应该是锈。喷些 WD40, 用 wrench 小心，使劲的旋。

来源: 天天上文学城于 2021-03-30 10:41:56 [旧帖] [给我悄悄话] 本文已被阅读：次

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应该是锈。 喷些 WD40, 用 wrench 小心，使劲的旋。