空中英惯用短语:
| - 真空刮水器 vacuum wiper
- 真空加料系统 vacuum loading systems
- 真空加湿机 vacuum humidifying plant
- 真空加热器 vacuum heater
- 真空加热巴氏杀菌器 vacu-therm pasteurizer
- 真空加硫机 vacuum vulcanizing machine
- 真空动力缸 vacuum power cylinder
- 真空包封机 vacuum pack sealing machine
- 真空包装和封口机 vacuum packing and sealing machine
- 真空包装设备 Vacuum packaging equipment
- 真空化学热处理炉 chemical heat treatment vacuum furnace
- 真空压力两用表 compound gauge
- 真空压力呼吸阀 vacuum and pressure breather valve
- 真空压力泵 vacuum pressure pump
- 真空压力泵 pressure vacuum pump
- 真空压力表组合量规 combination gauge
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