摘要
Abstract
According to the physical properties of the refrigerant,the heat transfer capacity is calculated,and the opening of the electronic expansion valve is adjusted as a goal,and achieved by PLC programming.关键词
电子膨胀阀/制冷剂物性/换热能力/PLC编程Key words
electronic expansion valve/refrigerant physical properties/heat transfer capability/PLC programming分类
信息技术与安全科学