A baffle in the heat exchanger was redesigned, and the control algorithm for the compressor was altered to recycle warmer gas when necessary. 换热器中的折流板进行重新设计，压缩机的经过改变，当必要时对温热气体进行循环。 这句话翻译有些别扭，麻烦高人给修饰下，谢谢！
a baffle in the heat exchanger was redesigned, and the control algorithm for the compressor was altered to recycle warmer gas when necessary. 重新设计了换热器中的折流板，改变压缩机的控制算法，以便在必要时循环热气体。
a baffle in the heat exchanger was redesigned, and the control algorithm for the compressor was altered to recycle warmer gas when necessary. 重新设计换热器折流板，调整压缩机控制算法以达到必需时的热气循环。
