以废弃冻结管为地下埋管换热器的地源热泵系统设计研究
牛永胜,王建学,刘瑞斌
Design Study of Abandoned Freezing Pipes as Underground Heat Exchanger of Ground Source Heat Pump System
煤炭工程 . 2013, (9): 11 -13 .  DOI: 10.11799/ce201309005