活塞连杆曲轴运动机构,当曲轴以等角速度回转时,活塞作()直线运动。A.等速 B.匀加 发布时间:2017-04-21 23:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 活塞连杆曲轴运动机构,当曲轴以等角速度回转时,活塞作()直线运动。A.等速B.匀加速C.匀减速D.变速
题型:单项选择题 Miss Green is popular with her students as she always tries to make them _________ in her classes.A.interestedB.interestingC.interestD.to interest 查看答案