题目内容

热容量最大的发电机过热时间常数为( )。

A=40
B. A=30
C. A=15
D. A=4

查看答案

搜索结果不匹配？点我反馈

更多问题

复压过流保护在作相邻元件后备时灵敏度不满足要求,也以负序过电流保护作相邻元件后备。( )

A. 对
B. 错

It is dangerous for an_____________driver to drive a car in the center of Paris during the mid-day rush. (experience)

Let’s go to the movies, __________?

Don’t turn the lights on,__________?