循环式空气源热泵热水器
Circulating air source heat pump water heater
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本文试验研究复叠式蓄热型空气源热泵热水器蓄热和放热过程，探讨热泵系统循环和相变蓄热的耦合。
According to operating heat pump process and the water supply process, the experiment is aim to find out how the cascade heat pump work which combined with the PCM.
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