接地摇表在减小或消除市电干扰方面,采用()措施。 A.提高发电机电压 B.自备发电机 发布时间:2018-11-27 01:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 接地摇表在减小或消除市电干扰方面,采用()措施。A.提高发电机电压B.自备发电机C.特设发电机的频率为90HZD.选择不同仪表端子
题型:单项选择题 根据实际情况回答问题。1. What does your father do? 2. What does your mother do? 3. What are you going to be? 4. Where does your father work? 5. How does your mother go to work? 查看答案