Recently, in Jiangjin Shuangfu New District, Chongqing, Hongyan Jiafeng Zhongxuan 4S Store has ush ......
Under the strong support of the state's patent application policy, in recent years, the intelle ......
The upper and lower bounds of the large gear index circle are constrained to the gear tooth width. ......
China is a big agricultural country, with large rural cities and a rural population of 800 million. ......
According to the functional requirements of automotive instruments, the instrument cluster sys ......
At the press conference on the economic operation of the machinery industry in 2013, Cai Weici, exec ......
Optimistic about the development of LED lighting market, the corporate circle is rumored, Taiwan ......
Mars dust causes serious damage to sensitive eq ......
The engine is the heart of the sprinkler. The engine oil i ......
In arid and dry areas, soil moisture is the main environmental factor that restricts cro ......
Sometimes refrigerating truck refrigeration unit has been ......