useful heat造句

例句与造句

1. Streaming from the hot end to the cold end of the regenerator was found which would waste much useful heating energy . modified structure of the jet pump could control this sort of streaming efficiently
   实验中还观察到了直流现象，气体从回热器热端向冷端运动，造成大量的能量浪费，通过改进喷射泵结构可以有效抑制直流。
2. It's difficult to find useful heat in a sentence. 用useful heat造句挺难的