air changes发音

意思翻译

换气次数

相似词语短语

changes───n.变化，改变（change的复数）；v.改变；交换（change的第三人称单数形式）

changes into───变成；把…变成；兑换

proposed changes───提出了的改变

changes chords───改变和弦

radical changes───巨变

more changes───更多变化

changes tupac───更改tupac

shelve changes───搁置更改

seasonal changes───春秋代谢；季节变化

双语使用场景

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。

10 air changes per hour of ventilation in wet laboratories and 8 air changes per hour of ventilation in dry laboratories.───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。

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。

Water vapour in the air changes to water drops on the surfaces of these objects.───空气中的水蒸气变成小水滴附着在这些物体表面。

the influence of air changes is obscure but indoor contamination concentration can be controlled by changing air changes.───换气次数对污染物散发影响很小，但可以通过改变换气次数来控制室内污染物浓度。

When the clouds are obstructed by mountains or forests, the cool air, changes the water vapor into water.───当云被山脉或森林挡住时，冷空气将水蒸汽变成水。

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。

Critical filtration efficiency and the minimum air changes of comfort air conditioning systems───舒适性空调系统的临界净化效率与最小换气次数

英语使用场景

Or mechanical extractor ventilation capable of providing at least three air changes per hour and operating with 15-minute overrun after activation.

With approval, airflow may set back to 6 air changes per hour when space is unoccupied.