【判断题】电动式EPS是利用直流电动机作为动力源,电子控制单元根据转向参数和车速等信号,控制电动机扭矩的大小和方向。
【单选题】Not until all the fish died in the lake __________ how serious the pollution was.
A.
did the villagers realize
B.
the villagers realized
C.
realized the villagers
D.
do the villagers realize
【多选题】不属于三相异步电动机外壳带电的原因是()。
【单选题】Not until all the fish died in the river ______ how serious the pollution was.
A.
the villagers realized
B.
the villagers did realize
C.
did the villagers realize
D.
didn't the villagers realize
【单选题】It was not until all the fish died in the river_____the villagers realized the serious pollution.
【简答题】电动式EPS是利用直流电动机作为动力源,电子控制单元根据转向参数和()等信号,控制电动机()的大小和方向。