标称电压35kV公共连接点的全部用户向该点注入的7次谐波电流分量(方均根值)应不超过 发布时间:2017-12-29 03:15 │ 来源:www.tikuol.com 题型:单项选择题 问题: 标称电压35kV公共连接点的全部用户向该点注入的7次谐波电流分量(方均根值)应不超过( )。A.15% B.9.3% C.8.8% D.6.8%
题型:单项选择题 Choose the best answers. 根据情景,选择最合适的答案,把序号填在括号里。1. 当你想要夸奖别人的裙子漂亮时,你应该说:____[ ]A. How beautiful! B. What beautiful!2. 当你想问那个女孩是谁时,你应该说:____[ ]A. What's that girl? B. Who's that girl?3. 当你想提醒别人当心时,你应该说:____[ ]A. Watch out. B. Watch TV.4. 当你想让李明过来看电视时,你应该说:____[ ]A. Come in, Li Ming. Let's watch TV. B. Come on, Li Ming. Let's watch TV.5. 当你想问对方是哪里人时,你应该说:____ [ ]A. Where are you from? B. How are you from? 查看答案