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【多选题】
电力系统中出现（）属于异常运行状态。A.
过负荷
B.
频率降低
C.
三相短路
D.
过电压
E.
系统振荡
F.
两相接地短路
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反馈参考答案：
举一反三
【单选题】What did Stracher analyze in his article published in the International Journal of Coal Ecology?
A.
Annual consumption of coal in US.
B.
Annual consumption of coal in China.
C.
How long coal fires has lasted in the northern region of China.
D.
Coal fires can have an impact on the environment.
【单选题】The article is to ________, analyze and appreciate the formation and translation of puns in the play.
A.
classify
B.
glorify
C.
horrify
D.
intensify
【简答题】yze the writing device (pun) of P27 in detail. 2、William Golding put forward three levels of thinking in his article "Thinking as a hobby". They correspond to the three positions of the three stat...
【单选题】What did Stracher analyze in his article published in the International Journal of Coat Ecology?
A.
Annual consumption of coal in US．
B.
Annual consumption of coal in China．
C.
How long coal fires has lasted in the northern region of China．
D.
Coal fires can have an impact Ol3．the environment．
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