The integrated wiring system is a transmission network within a building or a building group and is an "information highway" within a building. It can connect voice and data communication equipment, switching equipment and other information management systems to each other, and it ca…

Summer hot weather regularly check sprinkler chassis battery

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China's supercomputer built with domestic chip technology has been declared the fastest in the world. This news highlights the development of China’s creation of such a system in recent years, and the co…

The cause of air brake failure: insufficient air pressure in the air cylinder, excessive free stroke of the brake pedal of the suction truck, insufficient air pressure in the brake air chamber, excessive clearance or poor contact between the brake s…

Recently, the Guangdong Provincial Government website published the "Opinions on Further Promoting Entrepreneurship to Promote Employment" (hereinafter referred to as "Opinions"), clarifying that various types of entrepreneurship are not only exempted from various fees, but …

It is understood that according to the National General Technical Standard for Anti-theft Security Doors, the security level of anti-theft doors is divided into four levels: A, B, C, and D, and the security level is successively decremented. The anti-theft security level of a Class A security d…

Academician Qian Qihu of the Chinese People's Liberation Army Army Engineering University and Academician Liu Yongtan of Harbin Institute of Technology won the 2018 National Science and Technology Award. It is reported that this is the second consecutive year t…

The problem of PoE transmission distance is to first figure out the key factors determining the maximum distance. In fact, the transmission of DC power with a standard Ethernet cable (twisted pair) can be transmitted very far, which is much longer than the transmission distance of the data si…

On January 7, 2019, Zhao Gang, deputy governor of Shaanxi Province, visited the Faust Baoji factory to investigate the industrial economic operation, production and operation, and development planning. Provincial Deputy Secretary orchid Jianwen, the mayor of Baoji benefits Jincai, deputy…

Frequent attention to our friends may be very familiar with a name - Liu Shuangshan. Master Liu Dongfeng Cummins engine is not just the old user, and still has two million kilometers without overhaul inspirational story.

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