升降横移类停车设备的横移传动机构由()组成。
A.电机减速机;
B.驱动轮;
C.从动轮;
D.地面铺设的导轨。
参考答案:A, B, C, D
-----Is this the first time you Quanzhou?
-----No. But the first time I here, the city wasn’t so beautiful.
A.visited; came
B.visited; have come
C.have visited; have come
D.have visited; came
调查报告的主题一般来自三个途径即()。
A.深入分析
B.综合调查
C.上级布置
D.他人委托
E.作者自定