| |||
draft control | |||
control of ventilation; ventilation control |
通风 控制 : 38 phrases in 10 subjects |
Automobiles | 7 |
Aviation | 6 |
Electronics | 3 |
Metallurgy | 1 |
Nautical | 1 |
Nuclear and fusion power | 3 |
Refrigeration | 8 |
Space | 1 |
Technology | 7 |
Wind Energy | 1 |