淫男乱女笨蛋英子_欧美乱妇高清无乱码在线观看_男女乱淫免费视频_国模大尺度人体

Railway multi-tasking comprehensive training system integrates car, machine, engineering, electricity, vehicle and other professions in one. The system combines railway site CTC dispatching, station, train, power supply, passenger transportation, trackside equipment and line scenes, etc., to build a comprehensive operation simulation platform based on train operation planning as the core, train operation organization as the goal, and each work type both independent and joint training, realistically restoring the operation characteristics of the railway site "big joint machine", and efficiently realizing the training and assessment of different work types at different levels of collaborative ability enhancement.