1·Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour.
存在这样的裂缝，一个普通房屋里大约每小时会置换一次新鲜的室外空气。
2·It has been trying out monitoring stations that are intended to yield minute-to-minute maps of outdoor air pollution.
它一直在尝试建立监测站，以生成精确至分钟的室外空气污染分布图。
3·Around 9 in 10 people in low-and middle-income countries live in places where they regularly experience dangerous levels of outdoor air pollution.
在低收入及中等收入国家，大约十分之九的人生活在室外空气污染经常达到危险程度的地方。
4·Database: outdoor air pollution in cities.
数据库：城市室外空气污染。
5·Minimize exposure to chemicals and outdoor air pollution.
尽可能减少化学制品和大气污染物的吸入。
6·As for humidifying, introduce the outdoor air etc. Function.
如有无加湿、引进室外新风等功能。
7·Whoever thought that you could die from breathing outdoor air?
有任何人认为呼吸户外空气会里你死去吗？
8·Air quality standards means concentration limits for air pollutants in outdoor air.
空气品质标准：指室外空气中空气污染物浓度限值。
9·Urban outdoor air pollution is estimated to cause 1.3 million deaths worldwide per year.
估计室外空气污染每年造成世界上130万人死亡。
10·After heat and moisture transfering, the outdoor air is discharged directly through outlet.
送入的新风经过热湿交换后直接由排风口排出室外。