A.視在電荷值B.真實(shí)電荷值C.視在電流值D.真實(shí)電流值
A.最大點(diǎn)B.最小點(diǎn)C.平均值D.異常點(diǎn)
A.開(kāi)關(guān)柜頂部B.開(kāi)關(guān)柜前部中下C.開(kāi)關(guān)柜后部上中下D.開(kāi)關(guān)柜側(cè)部上中下