vacuum pan真空盘,真空锅
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 assisted hydraulic brake system真空助力液压制动系统
Vacuum Booster Performance Testing Bed真空助力器性能试验台
Vacuum infiltration casting technology负压铸渗
vacuum fractionating distilling column真空精蒸馏塔
vacuum consumable electrode arc furnace真空自耗电弧炉
vacuum spherical symmetry gravity field真空球对称引力场
vacuum-quenching in high pressure gas真空高压气淬
vacuum fluorescent digit-display tube真空荧光数字显示管