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在北京地铁亦庄线列车上,长客股份公司为车辆加装了事件记录仪,能对车辆运行状态进行记录,堪称地铁上的“黑匣子”。“黑匣子”记录的
In the Beijing subway Yizhuang line of trains, Chang-off AG for vehicles equipped with event recorder, can record the running status of the vehicle, called the subway on the “black box.” “Black box ” record