| 1. | We must economize on fuel .
我们必须节约燃料。 |
| 2. | This arrangement is designed to save fuel without sacrificing performance .
这种装置设计得节约燃料，在性能上亦无损失。 |
| 3. | The new model delivers speed and fuel economy
这种新型设计能提高速度、节约燃料 |
| 4. | The new model delivers speed and fuel economy
这种新型设计能提高速度、节约燃料 |
| 5. | The fuel economy exhibition is housed in that building
节约燃料展览会设在那幢楼。 |
| 6. | The took extreme measures to conserve fuel
他们采取极端的手段节约燃料。 |
| 7. | Passenger airliners might similarly transform their wings in flight to save fuel or reach their destinations more rapidly
客机同样也可在飞行中改变机翼，以节约燃料或更快到达目的地。 |
| 8. | Benefits such as fuel and energy savings plus lower total emission volumes are often achieved when air is enriched or replaced with higher - purity oxygen
使空气变成富氧空气或用高纯度氧替代空气，有节约燃料和能量以及更低的总发射体积等好处。 |
| 9. | Submerged combustion with high efficiency and less pollution using in gas boiler has the characteristics of high heat transfer efficiency and saving energy
浸没燃烧法作为一种高效无污染的传热方法用于小型燃气锅炉，具有传热效率高、节约燃料的特点。 |
| 10. | Airlines need to become more reliably profitable in order to replace kerosene - guzzling 20 - year - old jets with new and more spacious fuel - efficient aircraft
这些企业需要稳定的收入来源，以便采用新型、宽敞、节约燃料的机型代替服役20年、耗油量大的煤油喷气机。 |
