【判断题】交流接触器通电后如果衔铁吸合受阻,将导致线圈烧毁。
【简答题】选词填空。 1. __________ like __________ purple socks. (our, we) 2. __________ likes __________ pink cat. (she, her) 3. __________ like __________ book. (I, my)
【简答题】选词填空。 romantic wrong famous sleepy lost 1. Mingming is very ________ in our school and almost every person knows him. 2. Your answer is not right.It's________. 3. I can't find my ...
【单选题】永磁式刮水电动机是通过改变正、负电刷之间( )实现变速的。
【判断题】制颗粒时常用的润湿剂主要有饮用水和酒精( )