Application analysis of direct cooling exhaust air heat pump system in Xiaobaodang coal mine
YANG Zheng, XIE Yongli, YANG Guangyao, ZHANG Lizhong, LIU Yunxiang
Chemical Industry and Engineering Progress . 2022, (S1): 643 -647 .  DOI: 10.16085/j.issn.1000-6613.2022-0050

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