真空膨胀器 真空膨胀器的英文 英语翻译 vacuum expandervacuum expander 拓展翻译 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 真空除尘器vacuum cleaner 真空除气法vacuum degassing process