A.短路 B.連接 C.切斷 D.并接
A.5m~15m B.8m~20m C.9m~30m D.10m~50m
A.AC220V±22V DC24V±2V B.AC110V±22V DC24V±2V C.AC220V±11V DC24V±2V D.AC220V±22V DC24V±4V