wheel alignment and balance

snowsun

what is the difference between wheel alignment and wheel balance?

thanks,

abear

wheel alignment是看车子的四个轮子是否对齐。
+ l, \" s. P/ n3 p% I, G' j( R6 rwheel balance 是给单个轮子配重，让它自转平衡。

snowsun

2# abear
0 }5 W& E* W% _" S6 Q6 R, ?3 }

thank you. i thought they were the same thing