To meet the requirements of fuel cell vehicle fuel economy road test, on board fuel economy test system is developed.
针对燃料电池汽车道路试验经济性测试的要求，开发了车载经济性测试系统。
Fuel economy performance and some the latest specifications of inter-combustion engine oil at home and abroad are recounted. Test method of fuel economy performance is introduced.
重点叙述了国内外内燃机油燃料经济性能及油品规格的要求，介绍了评价燃料经济性的试验方法。
The test on the(influence) of changing fuel supply advance angle on fuel economy was carried out on single cylinder diesel engine separately using diesel fuel and ethanol-diesel blend fuel.
在单缸柴油机上分别使用纯柴油和乙醇柴油混合燃料，进行了改变供油提前角对发动机燃料经济性影响的试验。
The test result shows that the influence is more sensible when the ethanol-diesel blend fuel is used, and it is beneficial for increasing the fuel economy to reduce suitably fuel supply advance angle.
结果表明：使用乙醇柴油混合燃料时，供油提前角的改变对燃料经济性的影响比较敏感，且相对使用纯柴油，适当减小供油提前角对提高燃料经济性有利。
A practical method to calculate fuel economy of agricultural transporter is put forward. And it is supported with road test.
提出了一种确定农用运输车燃油经济性的实用方法，并得到道路试验的验证。
The results of the test through calculations show that this parallel hybrid bus has efficiency fuel economy.
油耗试验结果经计算表明，该车具有较好的节油效果。
The test results show that the dynamic performance of this fuel cell city bus can meet the requirements of urban driving, and the fuel economy is b...
结果表明，该示范车动力性满足城市行驶需求，经济性优于同类汽油车。
The test results showed that with the help of this system, the power performance, fuel economy and exhaust emissions of the engine were improved obviously.
试验结果表明，采用该控制系统后，JL 462 Q汽油机的动力性、经济性及排放指标均得到了明显的改善。
The test results showed that with the help of this system, the power performance, fuel economy and exhaust emissions of the engine were improved obviously.
试验结果表明，采用该控制系统后，JL 462 Q汽油机的动力性、经济性及排放指标均得到了明显的改善。
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