很长的下坡路长时间踩刹车，刹车片容易overheat不安全，用低速档可以帮助自动减速，让老迈演示如何换到low gear

来源: Befit 于 2024-01-24 10:20:37 [旧帖] [给我悄悄话] 本文已被阅读：次

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