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

Logistics Park Navigation APP is a mobile application developed based on railway logistics park, which is a platform for customers, drivers and stations to interact, and a service tool to guide customers for pickup and delivery business. Cargo owner users query cargo information according to their electronic cargo ticket information, and send cargo information to drivers, who then complete the navigation of pickup or delivery tasks according to this information. Bridge the real-time communication between cargo owners or drivers and railway freight information, and provide real-time guidance to cargo owners or drivers for quick pick-up and delivery operations.