vacuum photocell [電子、通信與自動(dòng)控制技術(shù)]真空光電管真空光電元件vacuum permittivity vacuum permeability vacuum packing of food [經(jīng)濟(jì)學(xué)]食品真空包裝vacuum packing 真空包裝vacuum packaging system [交通運(yùn)輸工程]真空裝貨系統(tǒng)vacuum packaging [包裝] 真空包裝vacuum package machine 真空包裝機(jī)/器vacuum oven 真空干燥箱，真空烘箱；[電] 真空電爐vacuum nozzle 真空吸筆，真空吸嘴vacuum microwave drying [機(jī)械工程]真空微波干燥vacuum meter 真空計(jì)；真空表vacuum metallization 真空金屬噴鍍；真空（金屬）蒸鍍vacuum metal [冶金工程技術(shù)]真空熔煉金屬vacuum membrane distillation [化學(xué)]真空膜蒸餾[環(huán)境科學(xué)技術(shù)]減壓膜蒸餾[地球科學(xué)]真空膜蒸餾vacuum manometer [交通運(yùn)輸工程]真空壓力表真空壓力器[經(jīng)濟(jì)學(xué)]真空壓力計(jì)vacuum manifold 真空歧管；多頭抽真空裝置vacuum loading system [化學(xué)]眞空加料系統(tǒng)vacuum lightning protector [動(dòng)力與電氣工程]真空避雷器vacuum lifting gear [交通運(yùn)輸工程]真空吊貨裝置真空升降裝置