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ventilating air | |||
vent air |
通风空气 : 25 phrases in 12 subjects |
Animal husbandry | 1 |
Automobiles | 2 |
Aviation | 3 |
Business | 1 |
Chemistry | 1 |
Consulting | 1 |
Electric machinery | 1 |
Electronics | 2 |
Oil processing plants | 1 |
Refrigeration | 2 |
Technology | 9 |
Wind Energy | 1 |