Available energy theory is an effective method of energy efficiency.
可用能理论是一种有效分析能量利用效率的方法。
Ground water heat pump; Energy-efficiency; Cost-effective; Payback period.
地下水源热泵；节能性；经济性；回收期。
Energy efficiency benchmarking is an effective management tool to improve company management and competitiveness.
能效对标管理是改善企业经营管理、提高企业竞争力最有效的管理工具之一。
Energy efficiency benchmarking is an effective management tool to improve company management and competitiveness.
能效对标管理是改善企业经营管理、提高企业竞争力最有效的管理工具之一。
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