lean -burn engine meaning in English
稀燃发动机
Examples
- Leb lean - burn engine
稀燃发动机 - Lean - burn engine is operated at air - fuel ( a / f ) ratios of 21 : 1 and above , in addition , ignition is delayed , as a result of these technique , the nox emissions are very low
同时，本研究也成功地运用了由原位合成技术制作的分子筛堇青石整体式分子筛催化器，去除稀燃nox排放。