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China's latest national standard "Terms and Definitions of Automobile and Trailer Types" (GB T 3730 1-2001) has the following definition of automobiles: non-track vehicles driven by power and with 4 or more wheels, mainly used for: carrying people and (or) goods; towing vehicles carrying people and/or goods; Special Purpose.

Domestic car brands include: Hongqi, Changan, Great Wall, Chery, Geely, Roewe, etc.

Foreign car brands include: Toyota, Volkswagen, Hyundai, Kia, Peugeot, etc.

Automobile refers to a non-track vehicle that is driven by power and has 4 or more BAI wheels, mainly used for: carrying people and (or) goods; towing vehicles carrying people and/or goods; Special Purpose.

Once a famous entrepreneur in China defined a Chinese car as four wheels and two sofas.

Automobile originally refers to a transport vehicle powered by combustible gas, and also refers to a vehicle that is powered by its own equipment. Vehicles that generally have four or more wheels and do not rely on rails or wires to travel on land. Automobiles are usually used as trailers for carrying and towing passengers and goods, and are also modified or equipped with special equipment to complete specific transportation tasks or operational tasks, but do not include machinery intended for agricultural use.

Full trailers and semi-trailers do not have their own power units, and they only belong to the category of automobiles when they form a car train with a tractor.

The full name of SUV is Sport Utility Vehicle, or Suburban Utility Vehicle, that is, suburban utility vehicle, which is a model with the space function of a station wagon and the off-road ability of a cargo truck.

SUV is characterized by strong power, off-road performance, spacious comfort and good cargo and passenger carrying functions, some people say that SUV is the comfort and refinement of a luxury car plus the nature of an off-road vehicle. SUVs are a hybrid descendant of sedans and SUVs, and compared to their ancestors, SUVs are like tigers.

The biggest feature of the off-road vehicle is that it has strong passing ability and also has a certain cargo carrying capacity, but the sportiness and comfort are not outstanding; After strengthening these shortcomings of off-road vehicles, it can be called an SUV. It not only has the function of an off-road vehicle, but also can drive in the city without losing its style, and the popular point is an off-road vehicle that can be driven in the city. SUVs, as the preferred models of emerging urban car buyers, have become the main force of the growth of the automobile market in recent years.

Although the development of SUV has gone through several stages of ups and downs, as an important force in the automobile market, the competition in the SUV market has not yet been sufficient.

SUV encyclopedia business card.

The full name of SUV is Sport Utility Vehicle, which means sport utility vehicle in Chinese. It mainly refers to those four-wheel drive off-road vehicles with avant-garde designs and novel shapes. The general front suspension of SUV is the independent suspension of the sedan type, and the rear suspension is a non-independent suspension with a large ground clearance, which has both the comfort of a sedan and the off-road performance of an off-road vehicle to a certain extent.

Due to the multi-combination function of MPV-style seats, the vehicle can carry both people and goods, and has a wide range of applications.

Basic concepts. SUVs have two major characteristics: one is sportiness, that is, it must be able to run, not only fast acceleration and high speed, but also high passability and adaptability; Second, it has many functions, that is to say, it can not only carry people, has strong comfort, but also has strong cargo carrying capacity and has strong traction capacity. The biggest feature of the off-road vehicle is that it has strong passing ability and also has a certain cargo carrying capacity, but the sportiness and comfort are not outstanding; If these shortcomings of off-road vehicles are strengthened, they can be called SUVs.

With the development of automobiles, there are fewer and fewer purebred off-road vehicles, and there is a trend to evolve to SUVs. Therefore, it is difficult to determine whether a certain car is an SUV, or an off-road vehicle. **。

The main components of automotive electrical appliances 1 power supply system include batteries, generators, and regulators. Among them, the generator is the main power supply, and when the generator is working normally, the generator supplies power to the electrical equipment of the whole vehicle, and charges the battery at the same time. The role of the regulator is to keep the output voltage of the generator constant.

1. Self-propelled RV: built on the basis of a complete engine chassis vehicle, but also takes into account accommodation and transportation and cleverly integrates all conditions;

1) Self-propelled A-type RV: It is the largest type of self-propelled RV at present, and it is a luxury mobile home built on a specially designed chassis;

2) Self-propelled Type B motorhome: Generally refers to a camping caravan, which is a type of motorhome that adds a raised roof on top of a regular caravan.

3) Self-propelled C-type RV, also known as MINI type RV, is usually an RV with an additional compartment built on the chassis.

2: Trailer RV: Trailer RV is a vehicle that needs to be towed by an exciting vehicle such as a car, a pallet truck or a truck, but its size and weight meet the needs of driving in kilometers, then this kind of RV is called a trailer RV.

One of the great features of a caravan is that it does not need to be permanently attached to a towing vehicle. Caravans are mainly divided into the following types: trailer type A, type B, type C, type D.

1) Trailer Type A RV - Travel Trailer: Refers to a regular travel trailer that is attached to a car, buggy or truck as its own power with the help of a buffer or connecting device**.

2) Trailer Type B RV - Low Five-Wheel Trailer: This type of RV is a cross-level structure that is connected and towed to the truck by a special attachment device.

3) Trailer Type C RV - Folding Camping Trailer: This is a lightweight trailer with mechanisms on both sides that can be folded for easy towing and storage. Therefore, it can also be referred to as a folding travel trailer, a pop-up trailer, or a tent trailer.

4) Trailer Type D RV - Pickup Packer RV: This is a small trailer that can usually be loaded onto the bed or chassis of a truck.

A self-propelled motorhome is a motorhome that is mobile and can move forward on its own traction. According to the appearance characteristics and functionality, self-propelled RVs can be divided into three categories: Type A, Type B, and Type C. Non-powered are caravans.

The self-propelled Model A motorhome is a behemoth with its own driving ability in the RV family, generally based on a heavy-duty chassis frame, modified from a large passenger car, equipped with almost all the elements needed for RV travel, and is considered to a certain extent the most luxurious and comfortable of all RV types. Vehicle length: about 8-15 meters.

Self-propelled B-type RV is a practical RV with its own driving ability, the appearance is smaller than that of A and C models, and it is a light passenger or MPV model, and most of the chassis such as JMC Ford Transit, Iveco, SAIC Maxus, and Mercedes-Benz are selected. The facilities in the car are streamlined, most of which are necessary for life, such as cooking, sleeping, and bathing. The biggest feature of this type of RV is that it is small and flexible, and its appearance is subtle and unassuming, and it can be used as a tool for daily use in the city and for short-distance travel and life.

Vehicle length: about 4-6 meters.

Self-propelled C-type motorhomes are usually combined with the chassis of a light passenger or van with a hull, and some will have a bed on top of the cockpit, which is called a convex motorhome. Type C RV is a combination of comfort and luxury of Type A RV and small and flexible Type B RV, with all the facilities needed for daily life, leisure and entertainment under the unassuming appearance, and is currently the most popular type of RV in the domestic RV market. Commander:

Ranging from about 5-9 meters.