fuel conversion factor

例句：

1. 1. Theefficiency of the engine is directly related tothe fuel conversion factor.
   发动机的效率与燃料转换系数直接相关。
2. 2. The new design has ahigher fuel conversion factor, which means itcan produce more power with less fuel.
   新设计具有更高的燃料转换系数，这意味着它可以用更少的燃料产生更多的功率。
3. 3. Toimprove energy efficiency, the company is workingon reducing the fuel conversion factor in theirvehicles.
   为了提高能源效率，该公司正在努力降低车辆的燃料转换系数。