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- surcharge preloading method真空-堆载联合预压法
vacuum tube dynamic characteri-stic[电] 真空管动特性曲线
vacuum tube type electrosurgical unit电子管振荡式电刀
vacuum tube type electrocardio-graph电子管式心电图机
vacuum powder insulated cryogenic tank真空粉末绝热低温贮液槽
vacuum infusing sugar in concentration浓缩式真空浸糖
vacuum joint heaped load precompaction真空联合堆载预压
Vacuum Booster Function Testing Center真空助力器综合性能检测中心
vacuum-surcharge combined preloading真空-堆载联合预压
vacuum grease-saturated vapour meter真空润滑脂饱和蒸气测定仪
邮箱： 