vacuum spectroscope [物理學(xué)]真空分光鏡vacuum spark control 低壓控制點(diǎn)火vacuum shelf drier [經(jīng)濟(jì)學(xué)]真空磐架式乾燥機(jī)[自然科學(xué)]真空磐架式乾燥機(jī)vacuum servo brake 真空補(bǔ)充制動(dòng)器vacuum seal wax 真空密封蠟vacuum sampling tube [地球科學(xué)]真空取樣器[機(jī)械工程]真空取樣器vacuum rotary drier [經(jīng)濟(jì)學(xué)]真空鏇轉(zhuǎn)乾燥機(jī)vacuum rolling mill [冶金工程技術(shù)]真空軋機(jī)vacuum roller drier [經(jīng)濟(jì)學(xué)]真空滾筒乾燥機(jī)vacuum residue 減壓渣油vacuum refreshing [食品科學(xué)技術(shù)]真空保鮮vacuum pumps [機(jī)] 真空泵vacuum pumping 真空泵vacuum pump oil [機(jī)] 真空泵油vacuum pump filter [地球科學(xué)]真空泵過(guò)濾器[交通運(yùn)輸工程]真空泵過(guò)濾器vacuum pump 真空泵vacuum pug [經(jīng)濟(jì)學(xué)]真空練泥機(jī)vacuum plodder [經(jīng)濟(jì)學(xué)]真空壓條機(jī)vacuum plating 真空鍍；真空電鍍；真空鍍膜vacuum pickup transfer [電子、通信與自動(dòng)控制技術(shù)]真空吸頭式轉(zhuǎn)移[動(dòng)力與電氣工程]真空吸頭式轉(zhuǎn)移