轮胎会变形，金属件生锈，管道内沉积会结块，等等。

来源: jsl609 于 2021-02-23 15:37:24 [旧帖] [给我悄悄话] 本文已被阅读：次

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轮胎会变形，金属件生锈，管道内沉积会结块， 等等。