单词	palliative measures
释义	palliative measures 减轻措施
随便看	mechanical units mechanical upset mechanical urethrophaxis mechanical vacuum pump mechanical valve mechanical valve prosthesis Mechanical valve replacement mechanical valves mechanical vapor compression mechanical vapouf re-compression mechanical variable measurement mechanical variables control mechanical variables measurement mechanical variable speed drive mechanical variables transducers mechanical vector mechanical vectors mechanical velocity selector mechanical vending machine mechanical ventilating system Mechanicalventilation mechanical ventilation mechanical ventilation drying mechanical ventilation dust removal system mechanical ventilation equipment