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Early pneumatic tyre, use is made of coated with rubber canvas when tire body, because the canvas ordinate and horizontal lines cross each other, due to the deformation of the tire when walking, lead to rub against each other, in this way, the line is easy to be ground breaking, the tires can only run 200-300 km. In 1903, Mr. J. f. palmer invented the twill textile, which led to the development of cross - layer tires, making the tyre life a big step forward. Because the tire of the skew fork will no longer cause friction because of the tread of the tyre, the cord will not be easily worn out, so the life span will be considerably longer. In 1930, Michelin made the first tyre without a tyre. The world famous meridian tire was invented in 1946. Therefore, the development of the tire has been a long journey, in this long night, I do not know how many generations have paid hard labor and excellent wisdom
Voice prompt: you can immediately alert operators by voice, such as lighting lighting - to provide lighting for night operation
Auto show, called the "Auto exhibition" (Auto show) is by the government agencies, professional associations, or the mainstream media organizations, in the center of the professional exhibition hall or the venue for automotive product exhibition fairs or Auto industry trade fair, fair, etc. The auto show is a display of automotive technology and advertising of automobile products, like the public relations between automobile manufacturers and local dealers. Consumers can use the automobile or automobile related products displayed in the automobile exhibition area to study the development trend and the pulse of the automobile manufacturing industry. The car manufacturer can publicize the product design concept, release product information and understand the development direction of the world car
Principle: resulting in differential pressure. By differential pressure switch monitoring in and out of the nozzle pressure difference of change, when the differential pressure to set data, control device for hydraulic control valves, motor drive signal, caused by the following action: motor driving brush rotation, the filter cleaning, emission control valve to open at the same time, the whole cleaning process for dozens of seconds, at the end of the automatic brush filter when cleaning, close the valve, the motor stop running, system back to its initial state, began to filter into the next process
1. All checkpoints on the state road of the province shall be revoked from the date of the month of the month, unless the necessary checkpoints shall be set up in the highway traffic highway bordering the province and the adjacent province (district).
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