drain water heat recovery造句

例句与造句

1. Typical retail price for a domestic drain water heat recovery unit ranges from around $ 400 to $ 1, 000 Canadian.
2. Other heat sources for heat pumps include water; nearby streams and other natural water bodies have been used, and sometimes domestic waste water ( via drain water heat recovery ) which is often warmer than cold winter ambient temperatures ( though still of lower temperature than the space to be heated ).
3. It's difficult to find drain water heat recovery in a sentence. 用drain water heat recovery造句挺难的