單項(xiàng)選擇題市電恢復(fù)后,發(fā)電機(jī)延時(shí),冷卻停機(jī)時(shí)間一般設(shè)定為:()

A.60S
B.180S~300S
C.10S
D.600S


您可能感興趣的試卷