向分公司养护科上报《养护工程（维修）作业申请单》 ，收到分公司养护科《养护工程（维修）任务通知单》后；
"report to branch maintenance, maintenance (maintenance) for the single" operation, maintenance department received branch "maintenance (maintenance) task notice";
向分公司养护科上报《养护工程（维修）作业申请单》 ，收到分公司养护科《养护工程（维修）任务通知单》后；
"report to branch maintenance, maintenance (maintenance) for the single" operation, maintenance department received branch "maintenance (maintenance) task notice";
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