对于受端系统,热稳定输送能力低的线路,为保障潮流不超过热稳定限额,可以()。
A.联切负荷
B.切机
C.联切大容量负荷变压器
D.快关发电机主汽门
参考答案:A, C
--- Is there any possibility of the film _______ in Berlin International Festival?
--- Not in the least, because the audience generally think little of it.
A.trying out
B.tried out
C.to try out
D.being tried out
图示变压器,一次额定电压UIN=220V,一次额定电流IIN=11A,二次额定电压U2N=600V。该变压器二次电流额定值I2N约为多少().
A.1A
B.4A
C.7A
D.11A