谢谢，这就是我上面链接的翻译；还说放油螺栓的磁铁吸附只是用于说明引擎磨损程度

来源: chinomango 于 2019-11-07 16:48:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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