急求英语句子语病修改work!Due to the existing two Q66 American EV hot t

急求英语句子语病修改
work!Due to the existing two Q66 American EV hot tripping is not available .One EV Q44 burned .But EV Hefei Maintenance point,is unable to repair.If you want to repair,three EV will be sent to the Nanjing office maintenance,All maintenance costs must wait until the results come out to know,but in Nanjing before repair Department will inform the hotel of all maintenance fees!
If bad,will affect the process of the Conference!Hope to get the approval of the department of management,and EV maintenance work