As an engineering vehicle, dump trucks drive the hydraulic mechanism by driving the hydraulic mechanism by the dump truck's engine to complete the purpose of the inclined movement to achieve unloading. When the unloading is completed, reset. So how to prevent turning over the dump after turning over

A semi-trailer is a trailer whose axles are placed behind the vehicle's center of gravity (when the vehicle is evenly loaded) and are equipped with hitches that transmit horizontal and vertical forces to the tractor. The semi-trailer is generally a three-axle semi-trailer, and its types are divided