A.高壓網(wǎng)絡 B.低壓網(wǎng)絡 C.輸電網(wǎng)絡 D.配電網(wǎng)絡
A.三級負荷 B.二級負荷 C.一級負荷 D.特級負荷
A.±5% B.±7% C.±5%~±7% D.±7%~±10%