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完成，即故障完全排除，设备恢复正常。未完成，即故障没有排除，设备不能正常运行。待定，即维修人员判断不出故障的根本原因，短期内没法解决，需寻求资源帮助解决。 Complete, that the fault completely ruled out, the device returns to normal. Unfinished, the fault does not exclude, the device can not run properly. Pending that maintenance personnel could not determine the root cause of the failure, the short term can not solve, the need to find the resources to help.

No matter the maintenance task is completed or not, maintenance personnel must be written confirmation. Maintenance tasks are not completed or pending, maintenance personnel need to explain to the applicant and notes that the follow-up of the solution and plan.