Therefore, use of water source heat pump is clean and renewable energy as a technology.

所以说，水源热泵利用的是清洁的可再生能源的一种技术。

youdao

Therefore, use of water source heat pump is clean and renewable energy as a technology.

所以说，水源热泵利用的是清洁的可再生能源的一种技术。

youdao