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The most primitive traffic tool is a man's feet.Then man tame some animals,such as horses,donkeys as take tools or take tool power,meanwhile,sedan chair and wind as power sailing boat,as a traffic tools and animal-drawn vehicles long-term coexist.To human,animal and wind as power vehicles accounted for most of the time in the history of mankind.Until the emergence of the steam engine,the development of human traffic tools to enter the rapid development stage,short hundreds of years,the human not only to god,but also into the sea,technology is also change with each passing day.猴岛外宣Iim 温眸-为你解答
1年前
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