研究直接空冷系统变工况运行以及排汽活动特性，对于进步直接空冷机组运行水平具有重要意义。
It is of great significance to study operating performance and exhaust flow characteristic under off-design conditions of condenser system for the economic operation of direct air-cooled units.
运行管理人员应该注意对机组加强清洗保养工作，以提高机组的经济运行水平。
One should pay more attention to the cleaning work to chillers to improve economic operation level of water chillers.
对提高火电厂大机组高加系统经济运行水平具有一定的指导意义。
This conception is helpful to advance the level of economical operation of high pressure heater system in fossil-fueled power plant.
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