| 1. | The ventilation is poor, the lieutenant admits .
中尉承认，通风设备很糟糕。 |
| 2. | Measures to increase ventilation will rectify the problem .
增进通气的措施会纠正这种情况。 |
| 3. | Ventilation must be ensured .
必须保持通风。 |
| 4. | Allow three to five seconds for these rapid ventilations .
这样做35秒以达到快速通气的目的。 |
| 5. | Some people think that ventilation is the same thing as air-conditioning .
有些人以为通风和空气调节是一回事。 |
| 6. | The new winter ventilation system consisted of a perforated plastic tube .
新的冬季通风系统由带孔的塑料管组成。 |
| 7. | The crankcase ventilation system carries fresh air through the crankcase .
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。 |
| 8. | When fibers swell, they fill the air spaces and thus reduce ventilation .
一般纤维膨胀后，占据了空隙，因而减少了通气能力。 |
| 9. | The reverse side of the mirror should be in continuous contact with air without needing ventilation .
反射镜的背面应经常与空气接触但无需通风。 |
| 10. | Ventilation is concerned with the supply of fresh air, the removal of contaminants and heat .
通风涉及的是新鲜空气的供应，污染物和热量的排除。 |
