这种下坡路上应当修些减速道，万一路滑，刹车失灵，使得车可以有减速的去处。

来源: 遍野无尘于 2015-05-06 15:49:44 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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这种下坡路上应当修些 减速道， 万一路滑，刹车失灵，使得车可以有减速的去处。