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It is also known as welding long rail line, which is a kind of line that welded normal rails without rail seam. The welding rail is not less than 200 meters long, and the actual application is usually 800~1000 meters or more. The long track is laid in the specified temperature range and fixed on the pillow. The long rail ends with a rail joint, while the middle part cannot scale up and down with the temperature. Therefore, there will be a great temperature pressure in the middle of the rail during the summer, which will produce a great temperature tension in winter. The greatest pressure on the rail and tension according to the years of rail laying and the highest temperature and minimum temperature calculation, rail tracks the maximum pressure should not cause to drum up by maximum tension should not cause rail fracture
Three, in addition to the public security police arrest the criminal suspect, hit the highwaymen, maintain traffic order and deal with traffic accidents, any other personnel shall not flow to check on the road, not intercept in normal running vehicles on the road, passengers should not be subject to the implementation of personal checks.
In good communication under the condition of recording device and switching equipment, for the following content can use wireless dispatching telephone, to convey to the value multiplied driver, vehicle operation dispatching command, meet the speed limit operation scheduling command, specified by the into the relationship between interval (standing) in front of the second station attendant tip the driver.
When talking about safety, you can't fully say a motorcycle rider is safer when compared to a car driver and the other way round. Both cars and motorcycle are motor-driven, and both of them are dangerous and risky you should definitely use properly. In other words, both cars and motorcycle are certainly not safe at all. But if we consider statistics, lots of road accidents are caused by motorcycles. Some of this accidents resulted to serious injuries and infrequently death. Since motorcycles are smaller than cars, they can move faster and may swerve in and out of lane which can be very dangerous. An irresponsible rider could find his demise when riding a motorcycle.
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