基本解釋n.[空]制動發(fā)動機同根派生 retroengine相關(guān)詞英漢例句Retroengine's firing time must the accuracy control, the firing time differ 1 second, will cause the airship point of descent position difference kilometer. 制動發(fā)動機的點火時間必須精確控制，點火時間相差1秒鐘，就會使飛船落點位置相差數(shù)公里。retroengine更多例句