HS code mapping for duty optimization

List of the contents of this article:

• 1, The craftsman of a large country known as the "first person in engine welding" is ().
• 2、 Is the first cylinder of the Delphi engine in the front or the rear?
• 3, domestic engine The first place in the machine

The craftsman of a large country known as the "first person in engine welding" is ().

1. The craftsman of a large country known as the "first person in engine welding" is ().

2. "Great Country Craftsman" introduced 8 guests, namely: Hu Shuangqian, Gao Fenglin, Meng Jianfeng, Zhang Dongwei, Ning Yunzhan, Zhou Donghong, Guan Yan'an and Gu Qiuliang.Guan Yan'an pursues the ultimate skill with the heart of a craftsman, so that the undersea tunnel becomes a platform for him to realize his dream.

3. Millimeter is the width of the welding point on the rocket engine. 0.1 seconds is the time error allowed to complete the welding. Gao Fenglin's superb welding technology is so impressed! These "craftsmen of a big country" are basically outstanding workers who struggle on the front line of production and are the best guides to practice the spirit of labor.

4. The "Craftsman of the Year of a Great Country" includes the following ten: He Maodong, Deputy Chief Engineer of Beijing Jingyi Automation Equipment Technology Co., Ltd. Guo Yuming, Director of Steelmaking Operation Department of Beijing Shougang Co., Ltd. Zhang Zhizhong, team leader of the 13th Research Institute of China Electronic Technology Group Corporation.

5. Craftsmen from big countries, ingenuity to build dreams.Some people can weld on a steel plate as thin as kraft paper without any leakage, and some people can control the sealing accuracy to one-fiftieth of a hair. Take Gao Fenglin, a senior technician of the rocket assembly factory of the First Academy of China Aerospace Science and Technology Group, who painted the heart of rocket welding and was the first person to weld the engine.

Is the first cylinder of the Delphi engine in the front or the rear?

The one cylinder of the Delphi engine is in the front. According to the relevant information of the query, the first cylinder on the left hand of the Delphi engine is the first cylinder, and the other side is also counted from the front, so one cylinder is in the front.

The method of the first cylinder of the engine is: the direction of the pulley shall prevail as the first cylinder. The cylinder is on the cylinder block of the internal combustion engine.The cavity for the piston is the track of the piston movement, which is composed of cylinder, end cover, piston, piston rod and seal, etc. The gas burns and expands in it, so that the engine can work normally.

The position of the first cylinder of different engines is different. For example, the engine of Isuzu DB58T is the first cylinder for the fan, while the German Mann engine is the first cylinder on the side of the flywheel. The technical parameters of various engines are different. The other side of the timing belt is the first cylinder, which is also the first cylinder in the ignition order.

The first cylinder of the front car is on the left side of the engine, and the first one on the right side when facing the engine compartment. Model is a car series launched by Tesla in 2012. Popular models include Model S, Model Model X and Model Y.

-4 cylinders can always reach the upper and lower stop points at the same time, and the same is true for 2-3 cylinders. After 1 cylinder is ignited, the 1-4 cylinder will turn to the lower stop point, so only 2-3 cylinders can be ignited at this time, so there will be two ignition methods, 1-2 or 1-3.

The first place in the domestic engine

1. The first place in the domestic engine is Chang'an Automobile. The car engine is a device that powers the car. It is the heart of the car and determines the power, economy, stability and environmental protection of the car. According to different power sources, automobile engines can be divided into diesel engines, gasoline engines, electric vehicle motors and hybrid engines.

2. First place: SAIC GM Wuling 5L SAIC GMWuling 5L is a very cost-effective engine. It not only has excellent power output, but also excellent control of fuel consumption. In addition, the excellent NVH performance is also a highlight of the engine.

3. First place: Geely G-Power Yundong series 8TGDI engine Geely Automobile officially launched the new 8TGDI engine in 2018. The engine adopts four-cylinder 16VDOHC turbocharging technology, with a maximum power of 181 horsepower. At the same time, the engine has also been certified by the Chinese heart logo.

4. The first Chery engine. Finally, it is the Chery engine, which is called a scientist by many people, because it has been developing its own technology.

5. FirstName: Hongqi V12 engine, the strongest engine in China, equipped on the Hongqi L5 priced at 5 million yuan, is known as the Chinese version of Rolls-Royce. It is the first self-developed top passenger car engine in China, with a displacement of 0L, a maximum power of 300kW, a maximum torque of 550N·m, and a comprehensive fuel consumption of 20L per 100 kilometers.