【判断题】
列车在长大下坡道运行时，应遵循动力制动为主，空气制动为辅的原则
A. 对
B. 错
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答案
A
解析
暂无解析
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【判断题】
LKJ-2000运行监控记录装置，在屏幕显示器上只能利用IC卡进行文件101.车机联控就是由机务部门，车务部门利用列车无线调度通讯系统，采用自控、互控、他控手段，保证列车运行安全
A. 对
B. 错
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