automatic railway weigh bridge 电子轨道衡

automatic railway telephone system 铁路自动电话系统

automatic railway track scale 自动轨道衡

automatic railway condition recognition system 铁路路况识别系统

railway automatic system 铁路自动化系统

railway automatic control 铁路自动化

railway automatic blocking line 铁路电力自闭线

railway automatic control systems 铁路自动化系统

railway automatic management system 铁路自动化管理系统