四行程发动机完成一次工作循环,曲轴转()。A.360度 B.720度 C.180度 发布时间:2017-07-25 01:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 四行程发动机完成一次工作循环,曲轴转()。A.360度B.720度C.180度D.420度
题型:单项选择题 --- Ask him not to eat too much candy, it’s not good for his ________.--- That’s right, but he always ________ them after eating.A. tooth, washes B. health, showers C. teeth, brushes 查看答案