| 1. | The atmosphere was stuffy .
空气不流通。 |
| 2. | People in crowded or poorly ventilated places
身处人多或空气不流通的地方之人士 |
| 3. | Avoid crowded and poorly - ventilated public areas
避免前往挤迫和空气不流通的公共场所。 |
| 4. | People visiting crowded or poorly ventilated places
前往人多挤迫或空气不流通地方的人士 |
| 5. | Wear a mask in crowded or poorly ventilated areas
在人多挤迫或空气不流通的地方，应戴上口罩 |
| 6. | Avoid crowded public places where the ventilation is not good
避免前往挤迫和空气不流通的公共场所。 |
| 7. | Do not use in small enclosed rooms or poorly ventilated areas
切勿在细小的密封空间或空气不流通的地方使用； |
| 8. | If ventilation is poor , radon will accumulate in indoor areas
如室内空气不流通，散发出来的氡气会积聚在室内。 |
| 9. | If ventilation is poor , radon will accumulate in indoor areas
如室内空气不流通，散发出来的氡气会积聚在室内。 |
| 10. | People visiting crowded or poorly ventilated places ; - people who have been in close contact
前往人多挤迫或空气不流通地方的人士； |
