下坡低档,是用1还是2档.还是根据坡度决定？

来源: 满地找牙于 2011-08-26 12:34:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.