新胎舊胎不配對，很難說誰大誰小。

來源: 於 2023-11-23 09:59:18 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Balance is to make sure ONE tire touches the ground evenly.  

Alignment is to make sure all FOUR tires touch the ground evenly. 

They are two different types of service.