航空煤油发动机的尺寸经过优化设计，已经能够在发动机的最有效的操作点上提供巡航动力，进而从总体上提高燃料效率。

Thepetrol engine is optimally sized to provide the cruise power at its most efficient operating point, resulting in an improved fuel efficiency overall.

youdao

我们计划兴建一对夫妇的飞行准备的版本，这泵泵液氧和煤油，并飞，它在我们的一个地图集游标动力火箭。

We plan to build a couple of flight ready versions of this pump to pump LOX and kerosene and fly it on one of our Atlas vernier powered rockets.

youdao