heat pump evaporation

• 热泵蒸发

heat pump evaporation的用法和样例：

例句

1. Multi-efective evaporation and heat-pump evaporationwere two major ways to raise energy usability of evaporat-ing operation.
   多效蒸发与热泵蒸发是提高蒸发操作能量利用经济性的两条最主要的途径。