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According to the above situation, in order to eradicate the peculiar smell of the automobile air conditioner, the evaporation box must be disassembled and the surface of the evaporation box must be cleaned, including some series of components such as ventilation pipes, so that the problem of peculiar smell of the automobile air conditioner can be eradicated. However, this method has a disadvantage. Each disassembly requires a series of processes such as fluorine release, fluorine addition, disassembly and installation, which are troublesome, technically difficult, inefficient, long working hours and high cost.Synflood attack is the most common DDoS attack on the current network, It is also the most classic denial of service attack. It takes advantage of a defect in the implementation of TCP protocol. By sending a large number of attack messages with forged source addresses to the ports where the network service is located, it may cause the half-open connection queue in the target server to be full, thus preventing other legitimate users from accessing.3.8In the second episode, Sheng Qing, a teacher from Fudan University's School of International Cultural Exchange, and Gu Chen, a lecturer in Chinese as a foreign language from Shanghai University's School of International Exchange, were invited to recall their college entrance examination experiences in 1987 and 1997 in the 10 and 20 years after 1977. This paper reviews and discusses the development process of major measures in recent years, such as the expansion of college enrollment, the reform of higher education, student loans, college-based general education, and the independent employment and entrepreneurship of college students.Maintain the synchronization of material flow and information flow in production, so as to achieve the right quantity of materials, enter the right place at the right time, and produce the right quality products. This method can reduce inventory, shorten working hours, reduce costs and improve production efficiency.Jia Hongwei used to be an armed police officer. After he retired, he did some small business, but he didn't make much money. By chance, he met Sony, the principal offender who was once the first mate on an Indonesian ship. Sony is also a talented person. He is not only the first mate at a young age, but also has mastered eight languages. Naturally, he is very familiar with sailing. Sony also introduced Weng Siliang to Jia Hongwei. So the three began to plot a robbery at sea.终于，第二天黄豆发现不对劲了，告诉黄瓜，然后两人逼问红椒和山芋。