A.上站配合及時(shí)率 B.平均斷電退服時(shí)長(zhǎng) C.巡檢完成率 D.斷站恢復(fù)時(shí)長(zhǎng)
A.5% B.10% C.15% D.20%
A.50% B.40% C.30% D.20%