單項(xiàng)選擇題
A.0km/h~10km/h B.0km/h~15km/h C.0km/h~20km/h D.0km/h~30km/h
A.5MΩ B.10MΩ C.15MΩ D.20MΩ
A.80mm B.90mm C.100mm D.110mm
A.800m B.850m C.900m D.950m
A.20Hz B.25Hz C.50Hz D.100Hz
A.25Hz或80Hz B.25Hz或100Hz C.25Hz或160Hz D.25Hz或175Hz
A.1.2V B.1.4V C.1.6V D.1.8V
A.3.0A~4.0A B.3.5A~4.5A C.4.5A~5.5A D.5.5A~6.5A
A.800m B.900m C.1000m D.1100m
A.斷開 B.串聯(lián) C.短路 D.并聯(lián)
A.±5m B.±6m C.±8m D.±10m