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Meaning of summer solstice The summer solstice is the 10th of the 24 solar terms. Dou Zhi Wu; Solar yellow longitude 90 °; The festival will be held from June 21 to 22 of the Gregorian calendar. On the summer solstice, the position where the sun shines directly on the ground reaches the northernmost point of the year, almost directly on the Tropic of cancer. At this time, the daytime time in all parts of the northern hemisphere reaches the longest in the whole year. For the Tropic of cancer and its northern regions, the summer solstice is also…

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Change frequency of oil filter The function of the filter is to filter out the dust and impurities in air, oil, fuel and coolant to keep these impurities away from the engine, so as to protect the engine system. High quality and high efficiency filters can capture and filter out more impurities than low efficiency and low quality filters. If the ash holding capacity of the two filters is the same, it is obvious that the replacement frequency of high-quality and efficient filters will be higher. Most of the inferior filters sold on the market have a short circuit…

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    Owners of cars should be aware that the operation of the engine is inseparable from the lubrication system, and the oil as a lubricant also needs the help of an oil filter. All three are indispensable to ensure the normal operation of the vehicle. The machine filter seems to be an inconspicuous auto part, but improper use will also affect the vehicle and even bring danger to the people in the car. 01.Long filter replacement cycle Many car owners are busy at work or for some other reason, and do not regularly maintain the car according to…

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