旋转元件装在传动系统的传动轴上，其制动力矩须经过传动轴和驱动桥再传到车轮上的制动器则称为（）。
A.传动制动器
B.中央制动器
C.轮式制动器
参考答案：B
在室内质控规则中，对系统误差检出敏感的规则是（）
A.11s
B.12s
C.12.5s
D.13s
E.22s
An analyst does research about market structures. With respect to traditional oligopoly model, which of the following is least accurate The kinked demand curve model assumes:
A. that there is a break in the marginal revenue curve.B. that the price decreases by one firm is followed by its peers.C. that the price and quantity are sensitive to small cost changes.
