1.Automobiles and factories burn gasoline and coal, which send certain chemicals into the air.
汽车和工厂燃烧的汽油和煤炭会释放有害的化学物质。
2.There are other dangers. When automobiles and factories burn gasoline and coal, certain chemicals get into the air.
危害还不止这些，当汽车和工厂燃烧汽油和煤炭时，一些化学物质释放进入大气层。
3.But the car will not burn gasoline to recharge the battery until the plug-in unit is exhausted.
但是这种汽车只有在充电设施耗尽后才会通过燃烧汽油为电池充电。
4.When we burn gasoline and coal in cars and factories, certain chemicals are released into the air.
当我们在燃烧汽油和煤炭时，一些化学物质被释放到空气中。
5.Experimental Study of NOx Reduction in the Lean Burn Gasoline Engine by Adsorber Reduction Catalysis System
吸附还原催化系统降低稀燃汽油机NOx排放试验研究
6.Effect of the Operation Conditions of the Lean Burn Gasoline Engine on Reduce the NOx Emissions by Adsorber-Reduction Catalyst
稀燃汽油机运转工况对吸附还原法降低NOx排放的影响
7.Experimental Study on Integrated Emission Control Strategy of Lean Burn Gasoline Engine Using Combined Catalysts
催化剂组合控制稀燃汽油机排放策略的试验研究
8.Effect of Lean and Rich Mixture Operating Time on NOx Emission from Lean Burn Gasoline Engine with Adsorber-Reduction Catalytic Converter
稀、浓燃状态运行时间对装有吸附还原催化转化器的稀燃汽油机NOx排放的影响
9.Study on Influence of Combustion Characteristics on a Quasi-homogenous Lean Burn Gasoline Engine
运转参数对准均质稀燃汽油机燃烧特性的影响
10.An Electronic Control System Development of Reducing NOx Emission in a Quasi-Homogeneous Lean Burn Gasoline Engine
降低准均质稀燃汽油机NOx排放的电控系统研制