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What are the dimensions and specifications of crash barrels?

1 Answers
CooperAnn
07/30/25 5:53am
Introduction The dimensions and specifications of crash barrels are 825mm in height and 580mm in diameter. Below are detailed explanations about crash barrels: Introduction Crash barrels are primarily installed at locations prone to collisions between vehicles and fixed roadside facilities on highways and urban roads, such as sharp turns, toll booths, highway entrances and exits, as well as parking lots, residential areas, gardens, gas stations, etc., serving as isolation barriers. Material Crash barrels are made of high-elasticity, high-strength modified plastic. When a vehicle collides with these devices, they effectively reduce impact force, thereby significantly minimizing damage to both vehicles and pedestrians. The reflective film on their surface can be customized with indicator labels as needed.
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Why can't the car hood be closed?

If the engine hood cannot be closed, it may be due to the unlocking handle in the cabin being stuck and not returning to its original position, or the lock mechanism being rusted or obstructed by foreign objects. Below is relevant information: 1. Airflow guidance: For objects moving at high speed in the air, the air resistance and turbulence generated around the moving object directly affect its trajectory and speed. The shape of the hood can effectively adjust the direction of airflow relative to the car's movement and the resistance force it generates, reducing the impact of airflow on the car. Through guidance, air resistance can be decomposed into beneficial forces, increasing the force of the front tires on the ground, which helps stabilize the car's movement. The streamlined appearance of the hood is primarily designed based on this principle. 2. Protection of the engine and surrounding pipeline components: Under the hood are critical components of the car, including the engine, electrical circuits, oil circuits, braking system, and transmission system, all of which are vital to the vehicle. By enhancing the strength and construction of the hood, it can effectively prevent adverse effects such as impact, corrosion, rain, and electrical interference, ensuring the normal operation of the vehicle.
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Does a Car Air Conditioner Need Freon?

As long as the air conditioning is cooling normally, there is no need to add refrigerant. Here is the relevant information: 1. Insufficient Freon: When the air conditioner is running normally and continuously, bubbles appear in the glass hole of the car air conditioning pipeline, indicating that the amount of Freon is insufficient and needs to be added. 2. Normal amount of Freon: When the air conditioner is running normally and continuously, there are no bubbles in the glass hole of the car air conditioning pipeline. When the air conditioner stops, there will be a short bubble, indicating that the capacity is normal. 3. Excessive Freon: When the air conditioner is running normally and continuously, there are no bubbles in the glass hole of the car air conditioning pipeline. When the air conditioner stops, there are no short-term bubbles, indicating that the amount of Freon is excessive and needs to be discharged.
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What are the environmental hazards caused by automobiles?

Automobiles pose the following hazards to the environment: 1. Exhaust emissions issue: While burning gasoline for power, automobiles emit carbon monoxide, which damages the Earth's protective ozone layer. Without the protection of the ozone layer, the Earth's temperature rises, leading to higher sea levels and reduced land area. Scientists refer to this as the greenhouse effect. Although the greenhouse effect may not destroy humanity, it makes human living conditions extremely difficult, and automobiles are a major contributor to the greenhouse effect. 2. Traffic congestion issue: The original idea behind the invention of automobiles was to make transportation more convenient. However, due to the rapid growth in the number of automobiles and inadequate road construction, severe congestion now occurs in major cities nationwide. Often during peak commuting hours, cars that could normally travel at speeds of 100-200 kilometers per hour end up covering only two kilometers in two hours, a tragic scenario that frequently plays out. This significantly reduces social production efficiency and results in resource wastage.
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What is the fuel tank capacity of the Buick Envision 1.5t in liters?

The fuel tank capacity of the Buick Envision 1.5t is 60 liters, as officially announced. The Buick Envision 1.5t requires 92-octane gasoline, with a fuel consumption of 7.2-7.3L per 100 kilometers. A full tank can cover a distance of 822-833km. During daily driving, it is necessary to always pay attention to the remaining fuel level in the tank. This is usually observed through the fuel gauge inside the vehicle. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5 to 6 segments, and it is advisable to refuel when there are only 2 segments left to avoid running out of fuel midway. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity specified by the car manufacturer is measured from the bottom of the tank to the safe limit, and there is still some space from the safe limit to the tank opening. This space ensures that the fuel inside the tank can expand when the temperature rises without overflowing. If fuel is added up to the tank opening during refueling, the actual refueling amount may exceed the calibrated fuel tank capacity.
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What are the body dimensions of the Volkswagen T-Cross?

The Volkswagen T-Cross is a compact SUV under the Volkswagen brand. The dimensions of this car are 4218 mm in length, 1760 mm in width, and 1589 mm in height, with a wheelbase of 2651 mm. Additional information about the Volkswagen T-Cross: Advantages: Sufficient power, thanks to the physical turbocharger paired with Volkswagen's classic dual-clutch transmission, delivering robust performance. The acceleration provides a noticeable push-back sensation. The size is just right, making it suitable for female drivers. The rear seating area is spacious, with a wheelbase reaching 2651 mm. The steering is light, making it easy and comfortable to operate. The panoramic sunroof is bright and large. Volkswagen's quality ensures a safer driving experience, with the three major components being reliable. Disadvantages: The trunk size is relatively small, but it becomes larger when the seats are folded down. The handbrake is mechanical, whereas many current models feature electronic handbrakes. The seats lack electric adjustment and memory functions.
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What are the common problems with Tianjin KR?

The cab is bumpy, the sound insulation is poor, and the brakes feel soft when carrying heavy loads. Below is an introduction to the Tianjin KR: Introduction: The Dongfeng Tianjin KR is a new generation of medium-duty truck independently developed by Dongfeng Commercial Vehicle Company. It is hailed as the value benchmark for medium-duty trucks in China due to its high technological content, high reliability, low emissions, and user-friendly design. The Dongfeng Tianjin series includes over 40 models, suitable for urban and intercity freight transport. Design Advantages: The Dongfeng Tianjin KR features the D530 cab design, which inherits the style of the Dongfeng Tianlong D310 cab. Compared to similar products, the Tianjin KR cab offers significantly improved operability and comfort. The interior width of the cab reaches 1876mm, providing spacious and comfortable accommodation.
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