bus with underfloor engine是什么意思

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Analysis on the Conditions for the Launching of the Northern Expedition;

试析北伐战争发动的条件

Study on Organic Acid Corrosion Inhibitors Used in Engine Antifreeze;

有机酸型发动机冷却液缓蚀剂的研究

Application of Order Analysis in Intake Noise Research of Engine;

阶次分析在发动机进气噪声研究中的应用

Design of the Hydraulic Forming for the Aeroengine Part;

飞机发动机某零件的液压涨型模设计

Studies on biodegradable water-cooling two-stroke engine oil;

可生物降解TC-WⅡ水冷二冲程发动机油的研究

Study of tribological characteristics of WS_2 in engine oil;

二硫化钨在发动机油中的摩擦学性能研究

With the higher requirements of fuel economy,low viscosity engine oils are more and more popular.

总结了评价润滑油燃料经济性发动机程序试验的发展历程,并介绍了下一代发动机油规格ILSAC GF-5开发新燃料经济性发动机程序试验的最新进展。

Functional simulation prediction method of development performance and application.;

开发动态的功能模拟预测方法及应用

Chemical characteristics of underground water and development performance of fracture-cave units in Tahe Oilfield;

塔河油田缝洞单元地下水化学特征及开发动态

Study on cold-extruding forming technology for the ejector-body in injector system of diesel engine;

发动机燃油喷射系统挺柱体的冷挤压成形加工技术研究

Analysis of the features of the particulate matters generated from diesel engine fueled with biodiesel;

生物柴油发动机尾气中的颗粒物特性分析

The importance of cooling system and its influencing factors of diesel engine;

燃油发动机冷却系的重要性及其影响因素