A.2800A B.1200A C.1500A
A.運(yùn)轉(zhuǎn)位 B.過充位 C.中立位
A.盤形制動(dòng) B.電阻制動(dòng) C.閘瓦制動(dòng)
A.中繼閥 B.分配閥 C.電動(dòng)放風(fēng)閥
A.30-40mm B.50-60mm C.70-80mm