A.0.1 B.0.6 C.5 D.10
A.體積小 B.效率高 C.功率因數(shù)較高 D.過載能力差
A.提高電網(wǎng)電壓 B.降低電網(wǎng)電壓 C.提高電網(wǎng)功率因數(shù) D.提高變壓器經(jīng)濟(jì)性和供電可靠性