【判断题】三相同步发电机空载运行时,其电枢电流最大。
【单选题】三相同步发电机空载运行时,其电枢电流 。
【单选题】The man had a rather shady occupation and made a lot of money within a short period of time.
【单选题】I've read a variety of science fictions, but few of them the one that you lent me yesterday. [ ]
【单选题】三相同步发电机空载运行时,其电枢电流 。
【判断题】矩阵键盘的硬件电路,按键的位置位于行线与列线的交叉处,但行线与列线不能连通