风向频率
- 网络frequency of wind direction; wind direction frequency; fresh air handling unit
风向频率风向频率
frequency of wind direction
采暖通风与空气调节术... ... frequency interval 频程 frequency of wind direction 风向频率 fresh air handling unit 新风机组 ...
wind direction frequency
环保 - 豆丁网 ... 风向 wind direction 风向频率 wind direction frequency 封闭层 confining layer ...
fresh air handling unit
采暖通风与空气调节... ... 频程 frequency of wind direction 风向频率 fresh air handling unit 新风机组 resh air requirement ...