vacuum cap真空罩
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 investment casting真空失蜡浇铸
vacuum furnance container真空炉容器
vacuum photoemissive cell真空光电辐射元件
Vacuum isothermal casting真空等温
vacuum distillation tower减压塔
Vacuum-moumd preloading真空联合堆载预压
vacuumatic pressure gauge真空压力表
vacuum pressure treatment真空处理
Vacuum thermal insulation真空隔热
vacuum ultraviolet region真空紫外线区域