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| система газоснабжения | |||
| система воздухоснабжения | |||
| система подачи воздуха | |||
| 供气系统: 68 phrases in 11 subjects |
| Astronautics | 2 |
| Aviation | 1 |
| Construction | 2 |
| Electronics | 8 |
| General | 29 |
| Medical | 1 |
| Military | 3 |
| Missiles | 3 |
| Oil / petroleum | 1 |
| Technology | 17 |
| Thermal engineering | 1 |