题目内容

在他励直流电动机中，采用电枢绕组串电阻调速时，负载转矩不变，则输入电机内的功率将（变小、变大、不变）。

查看答案

搜索结果不匹配？点我反馈

更多问题

Wewouldliketoyoutoourbarbequetomorrow.

A. invitation
B. information
C. introduce
D. invite

IfeltratherwhenIwentonanexchangevisittoAmerica.Thatwasmyfirsttimeawayfromhome.

A. happy
B. proud
C. nervous
D. exciting

Thepartyisverysoyoucanwearwhatyoulike.

A. formal
B. informal
C. unfriendly
D. friendly

I whatmyfamilyisdoingatthismomentbackhome.

A. suggest
B. ask
C. wonder
D. answer