A.10,000,000 B.100,000 C.100,000,000 D.1000,000,000
A.復(fù)位電路 B.軟開(kāi)機(jī)電路 C.+3.3V和+5V供電電路 D.CPU供電電路
A.5V B.3.3V C.2.5V D.1.8V