The driving maintenance is after the breakdown service, the preventive maintenance, the conditionservice, internationally proposed in the last few years one kind of new device management theory.
主动维护是继故障维修、预防维修、状态维修后，国际上近几年来提出的一种新的设备管理理论。
2
A heart condition disqualified him for military service.
心脏病使他不符合服兵役的条件。
《牛津词典》
3
This is fundamental to the human condition -seeking a purpose, seeking meaning through work or service.