英语词汇air changes怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
The existing standard for LABS at UBC is 10 air changes per hour.
UBC实验室目前的标准是每小时换气10次。
2
The test showed there are only 0.6 air changes per hour, while many older homes can have several air changes per hour.
试验表明有每小时只有0.6空气的变化，而许多老房子都可以每小时几换气。
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。

单词	air changes
释义	air changes 简明释义换气次数网络释义 1 ?换气次数 ... air balance风量平衡 air changes换气次数 air channel风道 ... 短语 1 complete air changes 全室换气次数 2 air changes per hour 每小时换气次数 ; 每小时换气量 3 number of air changes 换气次数双语例句 1 The existing standard for LABS at UBC is 10 air changes per hour. UBC实验室目前的标准是每小时换气10次。 2 The test showed there are only 0.6 air changes per hour, while many older homes can have several air changes per hour. 试验表明有每小时只有0.6空气的变化，而许多老房子都可以每小时几换气。 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。
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