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ventilation system | |||
aerating system; vent system | |||
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aeration system |
通气 系统 : 49 phrases in 11 subjects |
Architecture | 1 |
Aviation | 12 |
Business | 1 |
Earth sciences | 3 |
Ecology | 1 |
Electronics | 10 |
Metallurgy | 1 |
Nautical | 2 |
Nuclear and fusion power | 1 |
Refrigeration | 2 |
Technology | 15 |