A.0 B.50kPa C.150kPa
A.容積室 B.總風(fēng)缸 C.列車(chē)制動(dòng)管
A.壓力開(kāi)關(guān)208 B.壓力開(kāi)關(guān)209 C.初制風(fēng)缸58