常見例句雙語例句Diagraph spring pneumatic brake valve is widely used as control valve for tractor - trailer braking system.膜片彈簧式氣制動(dòng)閥作爲(wèi)控制閥已廣泛地應(yīng)用於拖拉機(jī)掛車制動(dòng)系統(tǒng)。 返回 trailer brake-valve