一额定电压为 10kV的静电电容器,其容抗值为 10.5Ω,接在 6kV母线上,电容器在额定电压下供给母线的无功功率为()。
某35kV母线三相短路容量为2000MVA,采用6%串联电抗器,计算电容器组容量不超过下列何值时,可不考虑电容器组对短路电流的助增作用,说明理由。
She heard a terrible noise,____ brought her heart into her mouth.
It is imperative that you ____ here in time.
Proper space planning is __ for conducting a successful business meeting.
What is the main advantage of radio ads : ()
空运承运人对没有办理声明价值的货物损失,其最高赔偿限额为毛重每公斤( )。
在国际海上货物运输中,指示提单的空白背书是指()。
The first step in the study of any language is observing and ____ precisely what happens when native speakers speak it.
下列属于TAT(陆空陆)联运方式的是( )。
空白抬头、空白背书的提单( )。
Mary keeps talking about the party.She had a very good time,______she?