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 locomotive operation safety and fire monitoring system (model YDVS-6Z) enables the driver to keep abreast of the situation inside and outside the locomotive and to make audio and video records of the locomotive's operating status through multiple cameras installed in the front, rear, inside, roof and hook of the locomotive. Can provide a variety of data download methods, playback of historical audio and video, video images can be overlaid on the monitoring parts, car number, locomotive number, time, kilometer marker, speed and fire alarm information, to achieve fire alarm video linkage.