| Absolute pressure 绝对压力 |
Accomodation coefficient 接纳系数 |
Activated alumina 活性铝 |
| Activated charcoal 活性炭 |
Activation energy 活化能 |
adiabatic process 绝热过程 |
| Adsorber 吸附器 |
Adsorption 吸附 |
Adsorption isotherms 吸附等温线 |
| Adsorption pumps 吸附邦浦 |
Air composition 空气组成 |
Alloys, for brazing 铜焊用合金材料 |
| Alumina, properties 氧化铝性质 |
Aluminum, outgassing rate 铝材逸气率 |
Application, vacuum 真空之应用 |
| Argon instability 氩气抽气不稳定性 |
Atmosphere 大气 |
Avogadro's number 阿伏伽德罗数 |
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