三区国产成人精品一区二区,夜恋影院免费看A片,亚洲精品熟妇一区二区三区,午夜亚洲精品久久久影院,婷婷色国产精品视频一区二区 ,伦伦国产精品在线,国产一区二区三区高清视频,高清精品视频一区二区三区

The active electronic squeegee developed by our company conforms to the enterprise standard of China National Railways Group Limited "Railway Electronic Squeegee Part 1: Active Electronic Squeegee" (Q/CR 685.1-2018). Active electronic blockade is mainly applied to China's railway transportation of high value-added goods and Central Europe and Central Asia trains. In addition to the locking and handing functions of traditional blockade, it can also realize two major functions of real-time positioning and lock breaking alarm. The active electronic lockout uses Hall sensors and limit switches that can effectively prevent criminals from opening and destroying the lock body abnormally. The embedded logic control program used can significantly reduce energy consumption, meet the needs of long-distance and long-time railway transportation, meet the need for real-time positioning under harsh conditions, and be more adaptable. In order to realize the automatic tracking and management of railway transportation throughout the whole process, and to improve the security and service level.