A.指运行人员所完成维护工作工时总量占总维护工作量的比例 / This PI measures how much maintenance work is performed by operators compared to the total amount of maintenance workB.这个PI是工厂持续推进自主运行提供参考指标 / The intent of this PI is to provide an indication of the progression of autonomous operations in a plantC.自主运行工时比例 ATO ratio=运行人员工单完成小时数/总维护工单完成小时数D.总维护工单完成小时数包含第三方和操作工E.总维护工单完成小时数不包含第三方