Meter reading environment
About the electricity meter: Excluding the place where the electr.......
Last week, the smog occupied a small half of China and more than half of the circle of friends, can not help but feel every breath of their own, looking forward to the sunny day to come again.
However, the weather is impermanent and the class is still on. In order to build, the.......
The access control card market has undergone decades of evolution and development, and has evolved from simple physical protection and entry and exit management to integrated management. At the stage of diversified development, companies have spared no effort to develop functions with core.......
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Recently, according to U.S. media reports, the latest research from the Automotive Research Center (CAR), a think-tank in the US automotive industry, shows that automakers must drastically reduce vehicle weight if they want to meet stringent new standards for fuel economy. However, compos.......
Introduction: The history of local stone industry in Ya'an, Sichuan Province. In the 1980s, Lushan had a stone processing industry. In 1992, he was engaged in the stone business in Lushan, and the main product was granite. “At that time, China R.......
China Railway Equipment Co., Ltd. was the first super-large-diameter mud-water shield--China Railway No. 297 was successfully rolled off the Zhengzhou base. The equipment will be used in the Jingshenke Special Wangjing Tunnel Project, with a shield excavation diameter .......