题目:比亚迪新能源公交车动力电池包故障检测与维修
               目  录
1. 问诊验车........................................................... 1
  1.1 车辆信息 .......................................................1
  1.2 故障现象 .......................................................1
  1.3 故障确认 .......................................................1
2. 故障原因分析 ....................................................... 1
  2.1 电池包漏电原因排查 .............................................1
  2.2 故障分析 ....................................... ...