| |||
ventilation rate; air change volume | |||
ventilation | |||
amount of ventilation; ventilation requirement; ventilation volume | |||
| |||
amount of ventilation |
换气量 : 13 phrases in 7 subjects |
Animal husbandry | 2 |
Aviation | 2 |
General | 1 |
Mechanic engineering | 1 |
Refrigeration | 1 |
Space | 1 |
Technology | 5 |