Knowledge

The scrapping life of semi-trailer is 15 years. The scrapping period in the compulsory scrapping standard for motor vehicles is as follows: Item 9 of

Adjust the front and body of the semi-trailer before reversing, try to keep the front and trailer straight, or the front tilts to the side of the targ

Step on the brake with the soles of your feet. Only when you step on the brake with the sole of your foot can you step on the brake pedal to the botto

Trailer, a truck, is divided into semi-trailer and full trailer. The semi-trailer is the tractor in front and the trailer in the back. The trailer is

​Tonnage is a standard unit for measuring and verifying the hull volume. The internal volume of civil ships is calculated by tonnage.

Full Trailer: the loading part is a full trailer with breast board structure, and the loading part of the lower compartment full trailer is a full tra

A semi-trailer requires an A2 driver's license. A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the

Cold welding machines are generally used for thin plate welding or repair of small defects, which are used for products with low requirements.

​Cement: powder hydraulic inorganic cementitious material. It can harden in air or better in water, and can firmly bond sand, stone and other material

​If the uphill section is short, only a few meters or tens of meters, under the condition of small vehicle load (at least not overweight), the uphill

​The principle of automobile engine and the factors affecting engine life generally install speed limiting plate on carburetor.

The specified width is 2.3 meters, and the longest carriage is 14 meters. The actual manufacturer's manufacturing standard is between 2.4 meters and 2