How to forecast seasonal import demands

List of catalogs of this article:

• 1, Ten trivia about cars
• 2
  、 What do you know about cars?
• 3, about Car knowledge

Ten trivia about cars

You can't refuel on thunderstorm days.Oil, the refueling gun is very easy to introduce the stray current into the fuel tank of the car, resulting in the intensification of the molecular movement of unstable gasoline, thus causing fire, explosion and other safety hazards.

. The first car driver was for women. In 1885, Karl Benz, a German mechanical engineer, invented the world's first practical internal combustion engine car, but to his distress, he could not test drive.

A practical car trivia. Sunshade blocking side light. When we drive in the sun, almost all car owners know to adjust the sunshade up and down to weaken the eye-catching light, but few people know about the eye-catching sunlight shining out from both sides of the vehicle and that the sunshade can rotate left and right to the front.

What do you know about cars?

1. Inspection of the brake system. Braking is also a decisive factor for the safety of the driver, which also affects the fuel consumption. Some cars do not brake firmly, and there will be slight drag brakes, which will increase the burden on the car and increase the demand for fuel, so you should always pay attention to check. Always check and replace parts.

2. The sunroof should not be put on an explosion-proof film, because in the event of a collision, the frontThe rear windshield and windows are covered with explosion-proof film, and the sunroof becomes the last and only escape exit. The sunroof is covered with explosion-proof film, blocking the last escape route.

3. Most models have a fuel tank mark on the dashboard. There will be an arrow mark near the fuel tank mark. Whichever the arrow points to, the refueling port is on the side of the car. The airbag has a lifespan.

4. Knowledge about automobiles. Automobiles are non-trackless vehicles driven by their own power devices and have 4 or more wheels. In terms of its design and technical characteristics, passenger cars are mainly used to carry passengers and their carry-on luggage and/or temporary items, including the driver's seat, and the passenger car has no more than 9 seats.

Knowledge about cars

1. Wheelbase is one of the important parameter indicators of cars. It is the main indicator to measure the size of the space in the car. The longer the wheelbase, the wider the space in the car. Minimum ground clearance (MM): the distance from the lowest point of the car to the ground when the car is fully loaded.

2. Engine: The car engine is the core of the engine, which is responsible for generating power and driving the vehicle. Gasoline engines and diesel engines are the two most common types. Transmission system: The transmission system transmits the power of the engine to the wheels. It usually consists of a clutch, a transmission, a drive shaft and a differential.

3. Car structure: A car usually consists of four parts: engine, gearbox, axle and body. Among them, the engine is the heart of the car and is mainly used to drive the vehicle.The gearbox is used to control the wheel speed and the torque of the drive shaft. The running bridge is used to transmit power to the wheels and provide suspension and braking systems.

4. Basic knowledge of automobiles The basic main parameters of the engine The basic main parameters of automobile engines include cylinder arrangement, maximum output power, number of engine cylinders, maximum torque valve and displacement. Valve number Foreign automobile engines generally adopt a four-valve structure per cylinder, that is, two intake valves and two exhaust valves, which improves the intake and exhaust efficiency.

5. Trivia about cars The origin of the name "car" When Western cars entered China in large numbers, it was the time when closed square cars were popular in the West. At that time, the shape of cars was the same as the "sedan" in ancient China, which could show glory. Therefore, people called cars at that time cars.