When most people have a rest during the evening, there will always be a loud roar on the road. It is definitely some sports car owners who come out looking for stimulation at midnight. Sports cars because of the large displacement, so the exhaust pipe will ring a loud voice, people who understand the car feel this sound is enjoyment, but for people with low quality of sleep, this is simply a crime. The eight commercial vehicles that we usually use are generally given a quiet and steady driving feeling. At high speeds, however, the noise of the engine and the noise of the tires and tires are mixed into the cab. Make the eardrum very uncomfortable. Long-term exposure to this noise can cause flustered, tinnitus, and so on.

The noise of the eight commercial vehicles is due to the various system components in the car. Some vehicles are under cost control during the manufacturing process. Therefore, the sound effects of the eight commercial vehicles of some brands are very good. It is not good. In fact, when using eight commercial vehicles in the later period, it can also be retrofitted to improve the sound insulation performance of the vehicle.

Before soundproofing eight commercial vehicles, it is still necessary to carefully check the use of the vehicle, because the noise of most eight commercial vehicles is caused by the malfunction of some of the vehicle's own systems. The chassis has abnormalities such as damage, abnormal ringing of the engine, irregular wear of the wheels, and so on. The soundproofing system for eight commercial vehicles is mainly accomplished through three stages of vibration reduction, noise reduction and sealing to complete the sound insulation effect. In addition, the chassis, hood, trunk and roof of the eight-seater commercial vehicle are also susceptible to airborne friction and noise. When noise reduction and soundproofing are performed, these sites need to be used as key renovation targets. .

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