看配重了。一般车空车配重都是重心靠前,所以前胎气压高,豪华车都是平衡配重,前后压一样。气压乘以变形后的触地面积就是车胎的承重。变形太大会费油,太小减震不好。
看配重了。一般车空车配重都是重心靠前,所以前胎气压高,豪华车都是平衡配重,前后压一样。气压乘以变形后的触地面积就是车胎的承重。变形太大会费油,太小减震不好。
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