air changes per hour 中文意思是什麼
air changes per hour
解釋
每小時換氣次數-
A minimum of six air changes per hour is suggested
建議每小時最少換氣6次。 -
With approval, airflow may set back to 6 air changes per hour when space is unoccupied
如經過同意,當實驗室無人時,可以將換氣量降為6次每小時。 -
3 there shall be 10 air changes per hour of ventilation in wet laboratories and 8 air changes per hour of ventilation in dry laboratories
化學實驗室空氣換風量至少為10次每小時,儀器室至少為8次每小時。
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