Mechanical and electrical equipment in pumping stations and water treatment works should be regularly maintained to ensure a stable water supply.
抽水站和滤水厂的机械及电机设备，须定期进行保养和维修，确保供水稳定。
Grease traps shall be regularly maintained and cleaned out to ensure their effectiveness.
应定期维护和清理集油器以确保其有效性。
Over the last few years he has built and regularly maintained our hotel website and has offered many Suggestions to improve our online services.
在过去的几年中，他持续建设和维护我们酒店的网站，另外他还就我们的在线服务提出了很多的建议。
Over the last few years he has built and regularly maintained our hotel website and has offered many Suggestions to improve our online services.
在过去的几年中，他持续建设和维护我们酒店的网站，另外他还就我们的在线服务提出了很多的建议。
应用推荐