桑塔纳2000Gsi型轿车和奥迪轿车操纵机构,采用的是那种操纵机构?
参考答案:
液压式操纵机构。
I crossed the street to avoid him,but he saw me and came towards me. [ ]
A.meeting;running
B.meeting;to run
C.to meet;running
D.to meet;to run
显微镜的光学系统主要部件不包括()
A、物镜
B、目镜
C、聚光镜
D、培养皿