A.0.1Ω B.0.2Ω C.0.3Ω D.0.4Ω
A.600N•m B.700N•m C.800N•m D.900N•m
A.4s B.5s C.6s D.10s
A.2mm B.3mm C.4mm D.5mm
A.10km/h B.15km/h C.20km/h D.25km/h