传动比是主动齿轮的转数n1与从动齿轮的转数n2之比,以i表示,i=n1/n2,i>1 发布时间:2018-10-06 00:56 │ 来源:www.tikuol.com 题型:判断题 问题: 传动比是主动齿轮的转数n1与从动齿轮的转数n2之比,以i表示,i=n1/n2,i>1时是加速。
题型:判断题 –What do you think of Henan Province? --It’s a wonder place. ____ you go there, you can find many fantastic sights. A.HoweverB.WhateverC.WheneverD.Wherever 查看答案