closed water feed
... closed volume 闭合容积 closed water feed 闭路供水 closed 闭合的 ...
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根据工程部标准负责酒店运行系统（变电站、空调、供水、供电、供气、闭路电视等）所有方面的运行维护和修理，使所有设备在任何时间都可达到最佳运行效率。
Operates, maintains and repairs all aspects of the Hotel systems in accordance with the Departments standards to achieve optimum operating efficiency of equipment at all times.
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