Friday, September 16, 2022
问题:BT-01T/X型机车信号系统测试仪,不能测试机车信号系统的返还...
Saturday, September 17, 2022
问题:PKX1系列智能电源屏中高频开关电源模块的效率高,一般大于()。...
Friday, September 16, 2022
Saturday, September 17, 2022
问题:微机监测系统具有良好的人机界面,操作简单,易于维护,具备一定的(...
Friday, September 16, 2022
问题:简述JD—IA型计算机联锁系统操作表示机人工倒机方法。...
Sunday, September 11, 2022
Wednesday, September 14, 2022
Saturday, September 17, 2022
问题:信号集中监测:是利用微型计算机和信息采集机监督、测试信号设备运行...
Wednesday, September 14, 2022
问题:机车安全装备的电源取自机车直流控制系统110V,电压波动范围是-...
Thursday, September 15, 2022
问题:应在电源间显著位置张贴机房供电系统线路图,相关维护人员无须清楚线...
Thursday, September 15, 2022
问题:普通电报投递:下午下班前2h至次日上午上班前抄收的电报,在上午上...
Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, September 15, 2022
问题:ADX计算机联锁系统进路在锁闭状态时,进路上的道岔不应再转换,此...
Saturday, September 17, 2022
问题:(1203)次列车长于九江站发报,受理所略号是()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:故障(事故)处理基本原则:先恢复(),后恢复侧线设备。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:25Hz铁磁分频器是由两个相同的口字形铁芯构成两个独立的磁路I和...
Friday, September 16, 2022