直流电动机直接起动时的起动电流是额定电流的( )
A.4～7
B.1～2
C.10～20
D.20～30

Mar.Black is an outspoken man, he told us without()of his disapproval of the plan.A、remainingB、preserveC、reserveD、reminding

A.Black
B.
A、remaining
B、preserve
C、reserve
D、reminding

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行政合法性原则的含义及内容。 点击查看答案