The supermassive black holes in the center of large galaxies, for many years, astronomers want to know how these black holes have grown so large. Now, scientists in eastern Australia may have discovered what is beh…

1. Press the horn and the headlights are on. A screwdriver or wire is used to test the ignition on the “-” terminal of the ignition coil. If there is no fire, the ignition coil is connected to the ammeter to open circuit. According to the ig…

The electronically controlled hydraulic automatic transmission is mainly composed of a hydraulic transmission, an auxiliary transmission and an automatic transmission control system, as shown in Figure 6-3.

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After experiencing the "baptism" of the United States tire special security case, the export of Shandong tires seems to be reassuring. According to statistics from Qingdao Customs, in the first three quarters of this year, the province exported a total of 1…

Recently, Hongda New Material issued an announcement on the case of the infringement case of Blue Star New Material Jiangxi Xinghuo Silicone Plant. According to the announcement, the company entrusted the Zhenjiang Science and Technology Bureau to organize the domestic organic silicon industry…

• Model NO.: DIN125-2
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From January 1, 2012 to December 31, 2015, Guangdong Province public transport vehicles and ships, and motorcycles, tricycles and low-speed trucks owned by rural residents and mainly used in rural areas enjoy four-year exemption from vehicle and vessel tax. Preferential policies. …