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air interchange | |||
air exchange | |||
exchange of air; interchange of air | |||
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air exchange |
空气交换 : 24 phrases in 12 subjects |
Agriculture | 1 |
Animal husbandry | 2 |
Aviation | 5 |
Earth sciences | 1 |
Electric machinery | 2 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Refrigeration | 2 |
Shipbuilding | 2 |
Space | 3 |
Technology | 3 |
Wind Energy | 1 |