真空精馏 真空精馏的英文 英语翻译 rectification under vacuum 拓展翻译 真空精馏装置vacuum rectifying apparatus 真空精炼vacuum refining 在玻璃泡抽真空后真空管隐藏的最后部份tipoff 在真空内in vacuo 真空vacuum; voidvacuumvacuum 真空安全阀vacuum relief valve 真空按键vacuum keying 真空包装vacuumize 真空包装的vacuum-packed 真空泵pick-up pump; vacuum pumpvacuum pump 真空泵油vacuum pump oil 真空避雷器vacuum arrester 真空表vacuum gauge 真空槽vacuum tank 真空测热计vacuum calorimeter 真空沉淀vacuum deposition 真空沉积vacuum deposition 真空成型vacuum forming 真空成型法vacuum forming (process) 真空抽气机vacuum air pump