heatexchange

英[hiːtɪkst'ʃeɪndʒ] 美[hiːtɪkst'ʃeɪndʒ]
  • 换热
  • heat n.热度;热;热烈;激烈;发烧v.(使)变热;(使)激动
  • tracing n.追踪;描图动词trace的现在分词.