| 摘要 |
PROBLEM TO BE SOLVED: To provide a steam supply system having high energy efficiency. SOLUTION: The steam supply system S1 comprises a plurality of heat pump circuits HP1, HP2 combined together in multiple stages and a supply passage 100 for heated medium. The heated medium flowing in the supply passage 100 is heated in the plurality of heat pump circuits HP1, HP2, in sequence. COPYRIGHT: (C)2007,JPO&INPIT
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