heat exchanger
英
/ˈhiːt ɪkstʃeɪndʒə(r)/
  
美
/ˈhiːt ɪkstʃeɪndʒər/
 
n.
热交换器(使热从热流体传递给冷流体)
牛津词典
noun
(technical 术语) 热交换器（使热从热流体传递给冷流体）
a device for making heat pass from one liquid to another without allowing the liquids to mix

百度翻译对原文进行调整，例句发音部分来自牛津

英英释义
noun

1
device that transfers heat from one liquid to another without allowing them to mix
数据来源：WordNet