The experimental results show that the mass fraction of unburned fuel in the compartme…

最后利用燃料可燃界限图进行了实验结果的定性验证及分析。

youdao

The remainder of the air-fuel charge in the combustion chamber can consist solely of fresh and residual gases, without unburned fuel.

航空燃料充电的剩下的人在燃烧箱的可能单独地包括新和残余的气体，不用未烧过的燃料。

youdao

An explosion of prematurely ignited fuel or of unburned exhaust gases in an internal-combustion engine.

过早点燃的燃料的爆炸或内燃机中未燃的废气的爆炸。

youdao

Because hydrogen can clean the exhaust right from a cold engine start, the plasma reformer method is 20% to 50% more efficient at reducing NOx than other clean-diesel technologies, allowing less unburned fuel to pass through in the process.

FORBES: Clearing the Air

There may also be substances such as unburned jet fuel that may have come from the two hijacked jetliners terrorists piloted into the buildings.

CNN: CDC, EPA: Little risk to public from sites