China Zhongwang Analysis This year's "Government Work Report" pointed out that the "Internet +" action plan was formulated to promote the integration of mobile Internet, cloud computing, big data, Internet of Things, etc. with modern manufacturing, and -----
Abstract On January 7th, at 9:42 on Thursday, the Shanghai and Shenzhen 300 Index fell to 5%, triggering the fuse line again. The two cities continued to fall after the transaction resumed at 9:57, and triggered the second gear again. line. This is already triggered by A shares in 2 trading d-----
Automatic tracking Automatic tracking is the process of automatically following the target and performing coordinate observation and measurement through the follow-up system according to certain characteristics of the signal. Automatic tracking is a system that continuously tracks and measures t-----
3GBW-type three-screw heat pump is a rotor-type displacement pump, commonly used in the transportation of asphalt, heavy fuel oil, crude oil transportation, fuel injection. Now to introduce the structural features of the 3GBW three-screw heat preservation pump is what. 3GBW-type three-screw heat p-----
When it comes to invisible screens, you are certainly not familiar with it, because many families now use invisible screens. In simple terms, invisible screens are mainly used to prevent mosquitoes and ventilation. It is favored by many consumers with its own unique advantages and functions, a-----
Research on the best heat treatment process of 30CrMoA steel bolt fasteners in Harbin Engineering University Chang Tiejun Yang Shiwei 1 Yin Shutong Gong Zhengchun 2 (1. School of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China; 2. Harbin Boiler Factory, Ha-----
Technical exchange screw assembly and anti-loose technology bookmark0 Aerospace Science and Industry Group Third Institute Research Institute Zhao Yunqi Li Jinping Chengzhong has a large proportion. During the assembly process, the problem of threaded fasteners or connectors failing due to excessiv-----