如果安全传感器和空气囊传感器的触点同时闭合，就会接通（）的电流造成气囊的引爆。
A.警告灯
B.螺旋线圈
C.充气器
D.诊断座
参考答案：B
In fact, ________ focus, but also we should have it at every level of our life. [ ]
A. not only we should have
B. not only should we have
C. we not only should have
D. not only should have we
保证柴油机运动部件与固定件的准确相对位置，实质上是要（）。
A.配合间隙符合要求
B.保证两者中心线重合或平行
C.实现柴油机的设计性能
D.保证柴油机的可靠运转
