Stage LED display - ledp3 electronic large screen Green environmental protection has become a major theme in the modern era. The society is advancing, but the environmental pollution is also constantly expanding. Therefore, human beings must protect our homes. Nowadays, all walks of life are also
The unmanned joint farming and sowing operation machine independently developed by China has recently passed field tests in Shatou Town, Guangling District, Yangzhou City, and will be officially used in wheat production this year. Intelligent and unmanned farming is the direction of modern agricul