Analysis of GB/T 25127-2020 series standards "Low ambient temperature air source heat pump (water chilling) packages"
ZHANG Ziqi, WU Xiaoli, YANG Shuang, PAN Quan
Journal of Appliance Science & Technology . 2021, (1): 68 -72 .  DOI: 10.19784/j.cnki.issn1672-0172.2021.01.011