vacuumizevt.造成真空(真空包装；用真空装置弄干)vacuumn.真空；真空吸尘器；空白adj.产生（利用）真空的v.用吸尘器打扫vacuum settle真空调整Vacuum sinter真空烧结vacuum coater真空镀膜装置vacuum window真空封窗vacuum fusion真空熔融,真空熔化vacuumresidue减压渣油vacuum-pumpn.真空泵；排气唧筒vacuum flight真空飞行vacuum washer真空洗涤器vacuum heater真空加热器