air change per hour中文什么意思
小时换气次数
例句与用法
- A minimum of six air changes per hour is suggested
建议每小时最少换气6次。 - With approval , airflow may set back to 6 air changes per hour when space is unoccupied
如经过同意,当实验室无人时,可以将换气量降为6次每小时。 - 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
化学实验室空气换风量至少为10次每小时,仪器室至少为8次每小时。