used heat的用法和樣例：
例句
- Heat pipe ejective air conditioner is a new no pump system, which can use solar energy and other low-grade heat sources.
利用熱管和噴射器複合所組成的空調系統是一種可利用太陽能和備類餘熱的無泵型新型空調系統。 - The organic working fluids bicirculating screw expander power generation technology of surplus heat recovery is just a new energy recovery technology.
有機工質雙循環螺桿膨脹機餘熱回收發電技術就是一種新型的能量回收技術。
