| |||
circulating gas | |||
recycle gas | |||
| |||
recycle gas |
循 环 气体 : 54 phrases in 14 subjects |
Aviation | 2 |
Desert science | 1 |
Ecology | 2 |
Electronics | 11 |
Mechanics | 1 |
Metallurgy | 6 |
Metalworking | 1 |
Nuclear physics | 2 |
Oil / petroleum | 3 |
Oil processing plants | 3 |
Refrigeration | 2 |
Space | 1 |
Steel production | 1 |
Technology | 18 |