| 1. | Keep environment clean and maintain good air ventilation
保持环境清洁及空气流通。 |
| 2. | Regular cleaning of air ventilation system and carpet
定时清洁通风系统和地毡 |
| 3. | Metrowalk s new air ventilation system construction
大江购物中心新建空调通风系统设备工程 |
| 4. | Maintain adequate air ventilation by opening windows
窗户应经常打开，保持室内通风良好。 |
| 5. | Taimall s new air ventilation system construction
台茂南?家庭娱乐购物中心新建空调通风系统设备工程 |
| 6. | Qualitative guidelines on air ventilation
空气流通意向指引 |
| 7. | Influence of natural wind in winter to mine air ventilation and its treatment
矿井反风演习期间参数变化对通风的影响 |
| 8. | Analysis of sanitary condition of centralized air ventilation system in anyang
安阳市部分公共场所集中空调通风系统卫生状况调查 |
| 9. | Hon tam yiu - chung raised a question on measures to improve air ventilation in hong kong
谭耀宗议员就改善本港空气流通的措施提出质询。 |
| 10. | It manufactures warm air ventilation air - conditioning systems of railway vehicles and locomotives
生产轨道车辆和机车用采暖通风空调系统。 |
