船舶发电机在运行中若出现原动机的调速器性能下降,则将使()。
A.电网电压不稳定
B.无功功率分配不均匀
C.电网频率不稳定
D.A与C
参考答案:C
— Do you mind if I play some rock music now, Peter?
— Andy is sleeping now.
A.Sorry,I’d rather you didn’t
B.You are not allowed here
C.Great!I love music
D.No,you can’t
太阳之经络气血衰竭,可见:()
A.戴眼反折瘈疭
B.耳聋百节皆纵,目寰绝系
C.面黑齿长而垢,腹胀闭
D.腹胀闭不得息,善意善呕
E.口目动作,善惊妄言,色黄