A.12V,28AH B.24V,28AH C.15V,28AH D.5V,28AH
A.實(shí)時(shí)鐘維護(hù) B.與微機(jī)通信 C.檢波器參數(shù)測(cè)試 D.系統(tǒng)重新啟動(dòng),進(jìn)行初始化
A.2 B.3 C.4 D.5