【正文】
?The develope about car Technical Background the carriage(四輪馬車) Before the aotomobile e out, the carriage is the best landbased human transport. Technical Backgroundindustrial revolution After Watt improved the steam engine (蒸汽機) ,French Army Engineer Cugnot produced the first steam engine driving a car. Carl. MercedesBenz(奔馳汽車) ,now Germany39。s famous car pany that is the first generation of fathers. October 1885, MercedesBenz design and manufacture of a gasoline (汽油) loading three