A.大/陰 B.?。?br /> C.?。?br /> D.大/陰或小/陽
A.0.1~0.2V/0.3V B.0.2~0.3V/0.7V C.0.3~0.5V/0.7V D.0.5V/0.7V
A.0.1V/0.5V B.0.2V/0.5V C.0.5V/0.7V D.0.5V/1.0V