探讨了蒸汽管道的敷设和补偿，蒸汽系统的排气和疏水，凝结水的回收。
Installation and compensation of steam pipeline, vent and condensate drain-off of steam system, recovery of condensate are discussed.
热力系统疏水回收方式对机组的热经济性有很大的影响。
Thermal system drainage recycling mode has a great influence on heat economy of a power unit.
热力系统疏水回收利用方式对机组的热经济性有很大的影响。
Thermodynamic system drainage recycling mode has a great influence on heat economy of unit.
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