测接地电阻时，摇柄速度应达到（）r/min以上。 发布时间：2019-10-05 02:05 │ 来源：www.tikuol.com 题型：填空题 问题： 测接地电阻时，摇柄速度应达到（）r/min以上。
题型：填空题 看图，选出正确的句子。( ) 1. A. I want something to eat. B. I want sometbing to drink. ( ) 2. A. I like to write A-B-C. B. I like to sing in the Classroom.( ) 3. A. Sweep the floor. B. Clean the window.( ) 4. A. Come and dance with me. B. Come and play with me. 查看答案
