Under which of the listed conditions can the engine room retake the throttle control from the bridge().
Any time it is deemed necessary
B. Only with the masters permission
C. After a 10 minute delay to the input command
D. Only after the throttle has been placed in sto
中性点不接地系统发生单相金属接地时,接地电压变为零,中性点对地电压为()。
A. 零;
B. 相电压;
C. 线电压;
D. 不变。
关于CCS安全电磁离合器的描述正确的是()
A. 仅高于设定车速15km/h断开
B. 仅低于设定车速10km/h断开
C. 高于15km/h断开或低于10km/h接通。