但这种内置PB确有配合刹车皮磨损后内部间隙自动补偿功能，原理类似鼓式刹车里的棘轮。

来源: Oneshotkill 于 2019-08-04 22:13:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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