| 1. | The air pollution index has reached the emergency level
而污染指数也已经达到了危险的水平。 |
| 2. | Air pollution . determination of a gazeous acid pollution index
空气污染.燃气的酸污染指数的测定 |
| 3. | Dr hon lui ming - wah raised a question on air pollution indices
吕明华议员就空气污染指数提出质询。 |
| 4. | Air pollution index air quality
空气污染指数(空气质素) |
| 5. | Roadside air pollution index
路边监测站空气污染指数 |
| 6. | Current air pollution index from the environmental protection department
由环境保护署提供的现时空气污染指数 |
| 7. | General air pollution index
一般监测站空气污染指数 |
| 8. | Access to air pollution index
取阅空气污染指数资料 |
| 9. | I the air pollution index ; and
空气污染指数及 |
| 10. | Current air pollution index
空气污染指数 |
