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综 述 期页浅谈城市客车的发展趋势 1 1……………………………浅谈我国大中型公路客车底盘设计的发展变化 2 1……车用柴油发动机的发展趋势 3 1…………………………发展单燃料 L PG城市客车的战略意义和市场效应… 3 4设计 计算 研究PDM技术在汽车设计中的初步
Summary page On the development trend of urban buses 1 1 ................................. Shallow talk about the development of China’s large and medium-sized road bus chassis design changes 2 1 ...... The development trend of diesel engine 3 1 ...... ........................ The Strategic Significance and Market Effect of Developing a Single Fuel LPG City Bus ... 3 4 Design Calculations Preliminary Study on the PDM Technology in Automotive Design