QB-VC008多针机的弯针运动是()运动。A.椭圆运动 B.直线运动 C.前后摆动 发布时间:2019-10-18 09:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: QB-VC008多针机的弯针运动是()运动。A.椭圆运动B.直线运动C.前后摆动D.圆周运动
题型:单项选择题 Mr. Li swimming for 3 hours, and his son an hour ago. [ ]A. has been; started B. have started; has started C. started; started D. has started; has started 查看答案