China Drying Network News In recent years, the carbon three-industry chain has become a hot investment spot for companies to enter. What is the competitive relationship between ethylene production, propylene, by-production of propylene, methanol to propylene, and propane dehydrogenation? Which propylene-derived products, such as polypropylene, acrylonitrile, propylene oxide, butyl/octanol, phenol/acetone, and acrylic acid, have more growth potential and competitive advantages? At the 2012 Carbon Three Industry Development Forum to be held in Beijing from December 6 to 7, experts from the China Petrochemical Federation, Sinopec, PetroChina, UOP, Ryukyu, Wison and other companies will discuss the above hot issues.
Automobile chassis consist of transmission system, driving system, steering system and braking system. The chassis is used for supporting, locating the engine and its relative components, assembly. it is also applied to form the overall layout, and to be driven by the power of engine, making the car drive normally.
Transmission system is generally made up of the clutch, gearbox, universal transmission device, main gearbox, differential and half shaft etc.
The braking system can be divided into the vehicle brake system and parking brake system, emergency braking system and auxiliary braking system, etc. The system for lowering the running automobile speed even stop is called the crane brake system
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