在以往的地表水源热泵设计中，忽略了地表水体的温升可能造成的热污染隐患。
It was pointed out that surface water temperature rise might cause the heat pollution, which was practically neglected in previous application of surface water heat pump systems (SWHPs).
分析蒸气热泵的特点，提出最佳温升曲线的优化计算方法和蒸气压力预测智能控制算法，设计了纸机干燥部优化控制系统。
The property of steam ejector is analyzed. The optimize method of temperature curve and an algorithm of intelligent predictive pressure control are presented. The optimize control system is designed.
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