单词：operating maintenance
operating maintenance的用法和样例：
例句
- Perform the sub-system operation, maintenance and troubleshooting.执行子系统的运行维护和故障解决。
- Some suggests about operation and maintenance of current flue gas desulfurization equipments and their management system were put forward.对目前烟气脱硫装置的运行维护工作及管理体制提出了意见与建议。
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