A.0.35MPa B.0.25MPa C.0.45MPa D.0.50MPa
A.制動(dòng)閥 B.儲(chǔ)氣筒 C.單向閥 D.快放閥
A.分配閥 B.氣壓調(diào)節(jié)閥 C.雙向閥 D.排氣閥