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1、All at once a barouche rolled up behind him.

In 1790, there was a Frenchman named Sifrac, who was very intellectual. One day he was walking in a street in Paris. It had rained the day before, and it was very difficult to walk on the road. All at once a barouche rolled up behind him. The street was narrow and the carriage wide, and Sifrak escaped being run over by it, but was covered with mud and rain. When the others saw him, they were sorry for him, and they swore angrily and wanted to stop the carriage and talk things over. But Sivlak murmured, "Stop, stop, and let them go." When the carriage was far away, he still stood motionless by the roadside, thinking: The road is so narrow, and there are so many people, why can't the carriage be changed? The carriage should be cut in half along the road, and the four wheels made into two wheels... He thought so and went home to design. After repeated experiments, in 1791 the first "wooden horse wheel" was built. The earliest bicycle was made of wood and had a relatively simple structure. It had neither drive nor steering, so the rider pushed hard on the ground with his feet and had to get off to move the bike when changing direction. Even so, when Sivlak took the bike for a spin in the park, everyone was amazed and impressed

2、then go back to the beginning, with live with pull day foot line eighty miles." It should be pointed out that, due to the limitations
said:" Huang Luzhuang made a two-wheeled cart, more than three feet long, which can seat one person. It does not need to push and pull, but can drive itself. When the line, with the hand pull shaft beside the curve, then go back to the beginning, with live with pull day foot line eighty miles." It should be pointed out that, due to the limitations of The Times and other reasons, some views and expressions in the book are inevitably different from today's understanding, especially the editor pays attention to the search for strange and colorful, and some parts are not without absurd hearsay collection, not faith in history. These should be discriminated between reading and using. In 1790, a Frenchman named Sivrack made the first
3、The bicycle is one of the most successful human-powered machines invented by man.
Bicycle is a traditional industry, has a history of more than 100 years, due to environmental and traffic problems, the bicycle has once again become the countries of the world, especially developed countries people favorite traffic tools, fitness, bicycle industry in the world's centre of gravity is from traditional walking type vehicles to sports, mountain, casual, in the United States, Europe, Japan and other developed countries, Bicycle is a popular sport, fitness, leisure and entertainment products. The demand for bicycles around the world is huge every year. According to CYCLEPRESS in Japan, the demand for bicycles around the world remains at 106 million units, and the annual turnover of bicycles is about 5 billion DOLLARS. history The bicycle is one of the most successful human-powered machines invented by man. It is a complex machine composed of many simple machines. "A Grand View of The Wild History of the Qing Dynasty, published in 1915, said:" Huang Luzhuang made a two-wheeled cart, more than three feet long, which can seat one person. It does not need to push and pull, but can drive itself. When the line, with the hand pull shaft beside the curve, then go back to the beginning, with live with pull day foot line eighty miles." It should be pointed out that, due to the limitations of The Times and other reasons, some views and expressions in the book are inevitably different from today's understanding, especially the editor pays attention to the search for strange and colorful, and some parts are not without absurd hearsay collection, not faith in history. These should be discriminated between reading and using.
4、In 1790, a Frenchman named Sivrack made the first bicycle.
A Grand View of The Wild History of the Qing Dynasty, published in 1915, said:" Huang Luzhuang made a two-wheeled cart, more than three feet long, which can seat one person. It does not need to push and pull, but can drive itself. When the line, with the hand pull shaft beside the curve, then go back to the beginning, with live with pull day foot line eighty miles." It should be pointed out that, due to the limitations of The Times and other reasons, some views and expressions in the book are inevitably different from today's understanding, especially the editor pays attention to the search for strange and colorful, and some parts are not without absurd hearsay collection, not faith in history. These should be discriminated between reading and using. In 1790, a Frenchman named Sivrack made the first bicycle.