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换气 | |||
通风换气流量 (按小时计算) |
air change : 30 phrases in 11 subjects |
Animal husbandry | 3 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Nautical | 1 |
Rail transport | 1 |
Refrigeration | 6 |
Technology | 10 |
Wind Energy | 2 |