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换气次数
1、seasonal changes───春秋代谢;季节变化
2、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)
3、changes into───变成;把…变成;兑换
4、changes chords───改变和弦
5、proposed changes───提出了的改变
6、radical changes───巨变
7、changes tupac───更改tupac
8、shelve changes───搁置更改
9、more changes───更多变化
1、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。
2、Critical filtration efficiency and the minimum air changes of comfort air conditioning systems───舒适性空调XiTong的临界净化效率与最小换气次数
3、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。
4、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。
5、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。
6、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。
7、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。
8、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。
1、Or mechanical extractor ventilation capable of providing at least three air changes per hour and operating with 15-minute overrun after activation.
2、With approval, airflow may set back to 6 air changes per hour when space is unoccupied.