| 1. | We ventilate a room by opening windows . 我们开窗以使室内空气流通。 |
| 2. | Brochure on improving the air quality in offices 改善楼宇的室内空气质素的小册子 |
| 3. | They open the windows to purify the air of the room 他们打开窗户清涤室内空气。 |
| 4. | Hygienic standard for nitrogen oxides in indoor air 室内空气中氮氧化物卫生标准 |
| 5. | Hygienic standard for bacterial total in indoor air 室内空气中细菌总数卫生标准 |
| 6. | Effect of ventilation and air conditioning on iaq 通风空调对室内空气品质的影响 |
| 7. | Hygienic standard for p - dichlorobenzene in indoor air 室内空气中对二氯苯卫生标准 |
| 8. | Research on application of iaq real - time monitor 室内空气污染实时监测应用探讨 |
| 9. | Brochure on improving the air quality in your home 改善家居的室内空气质素的小册子 |
| 10. | Hygienic standard for sulfur dioxide in indoor air 室内空气中二氧化硫卫生标准 |