| |||
gaseous cycle | |||
gas cycling | |||
gas circulation; gas cycle; gas recirculation |
气体循环 : 53 phrases in 14 subjects |
Aviation | 2 |
Ecology | 2 |
Electronics | 11 |
Mechanics | 1 |
Metallurgy | 8 |
Metalworking | 1 |
Nuclear physics | 2 |
Oil / petroleum | 3 |
Oil processing plants | 3 |
Plastics | 1 |
Refrigeration | 2 |
Space | 1 |
Steel production | 1 |
Technology | 15 |