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杨永安, 李瑞申, 李坤, 孙天慧
Cascade air-source heat pump with R410A single fluid
Yong an YANG, Ruishen LI, Kun LI, Tianhui SUN
化工学报 . 2020, (4): 1812 -1821 .  DOI: 10.11949/0438-1157.20190911