maintenance log book

This system is an important component of the auto hitch Diagnostic system,and it can inquire and manage the OBD-Ⅱcode,it also can manage the repair message and the repair record.

本系统作为汽车故障诊断系统的重要组成部分,实现了基于OBD-Ⅱ故障编码的查询管理,同时也实现了对汽车维修信息与维修记录的管理。