传动比 / 傳動比

chuán​dòng​bǐ

transmission ratio

The ratio between the rotational speeds of the input and output shafts in a mechanical system, such as a gearbox.

通过更换不同齿数的齿轮，可以改变变速箱的传动比。

created sense Mar 4, 2026, 02:25 AM