| 1. | Harmful gases must be drawn out by centrifugal ventilator .
有害气体必须通过离心式通风装置排出。 |
| 2. | Method of eliminating the poisonous gas in blast smoke
消除炮烟中有害气体的方法 |
| 3. | I was doing yoga , plus i had some really bad gas
我刚在做瑜珈，还有些有害气体 |
| 4. | High absorbability for various hazardous gases
对各种有害气体均有良好的吸收效率。 |
| 5. | The harmful gas protection in taizishan tunnel
台子山隧道有害气体防治 |
| 6. | The factory discharges harmful gases into the atmosphere
那家工厂将有害气体排放到大气中。 |
| 7. | The air is infected with noisome gases
空气受到了有害气体的污染。 |
| 8. | We should find some ways to prevent the harmful gas from spreading
我们应找到法子阻止有害气体的蔓延。 |
| 9. | Detection methods for harmful gas evolved from non - dangerous cargo in holds
船舱内非危险货物产生有害气体的检测方法 |
| 10. | Try to get something go prevent the poisonous gas from passing up into the atmosphere
拿点什么来防止有害气体进入空气。 |
