单项选择题
A.149V±5V;(相电压) B.159V±5V;(相电压) C.169V±5V;(相电压) D.176V±5V;(相电压)
A.20~40 B.20~50 C.30~50 D.40~60
A.AC220V±6.6V25HZ、AC110V±3.3V25HZ B.AC220V±11V25HZ、AC110V±5.5V25HZ C.AC220V±6.6V25HZ、AC110V±5.5V25HZ D.AC220V±11V25HZ、AC110V±3.3V25HZ