balance 和四輪定位不是一回事，四輪定位是alignment 。alignment 不好輪胎就會磨損的快。

來源: 憂樂於 2014-05-09 11:06:07 [舊帖] [給我悄悄話] 本文已被閱讀：次

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