A.0.6~0.9mm B.0.2~0.3mm C.0.4~0.5mm D.0.5~0.6mm
A.電阻制動 B.基礎(chǔ)制動裝置制動 C.手制動裝置制動 D.蓄能制動器制動
A.500mm B.400mm C.300mm D.200mm