蜜臀av无码一区二区三区_天天爽天天爽夜夜爽国产自己精品 _色偷偷亚洲偷自拍_亚洲精品无码久久久久Av老牛

The full name of the railroad freight station system is "Railroad Freight Station Security Monitoring and Management System". Ltd. is a software system that must be installed in all stations handling freight business of China National Railway Group Corporation, and Chengdu Cargo Security Metrology Technology Center Co. Covered from the gatekeeper, field freight clerk, duty clerk, cargo transfer, freight director, loading and unloading operations and other types of freight operations process, but also the electric business platform, freight ticketing charges, transport unified, sure report, e-tickets and other information exchange of important freight production links. The system has already been installed at all stations handling freight on the national railways, and will need to be reinstalled at both new and expanded freight handling stations.