heat-exchanger 基本英英例句 热交换器 名词 heat exchanger: device that transfers heat from one liquid to another without allowing them to mix The heat- exchanger pipes need replacement for leakage started after the heat-exchanger was put into operation for several years. 凝汽器运行数年后,换热管就开始陆续出现损伤漏泄问题,需要换管处理。 cnki