电动机的机械特性是指转速和()的关系。A、电压 B、电流 C、转矩 发布时间:2017-07-02 00:16 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电动机的机械特性是指转速和()的关系。A、电压B、电流C、转矩
题型:单项选择题 — Please don't leave the room until your homework _____. — OK. [ ]A. will finish B. is finished C. finishes D. will be finished 查看答案
题型:单项选择题 —Is the Changjiang River _____ in the world? —No, the Amazon is. [ ]A. very long B. longer C. the longest D. longest 查看答案