电力系统的稳定按性质可分为功角稳定、电压稳定和频率稳定三类。 发布时间:2018-05-23 21:43 │ 来源:www.tikuol.com 题型:判断题 问题: 电力系统的稳定按性质可分为功角稳定、电压稳定和频率稳定三类。
题型:判断题 He asked me _____. [ ]A. who did kick the first goal in the World Cup B. when was the APEC meeting heldC. when China became a member of the WTO D. when will the 2012 Olympics be held 查看答案