京信通信的直放站培训资料，包括直放站系统，故障现象，故障原因分析，检修方法，直放站统一监控系统，直放站监控异常的原因分析，直放站告警定义及处理方法。-Jingxin communications repeater training materials, including repeater system, Fault, the cause of the malfunction, repair, Repeater unified control system, the Repeater contr