短语词组短語recuperative heat exchanger 廻熱式熱交換器;複熱式熱交換器;間壁式換熱器;同流熱交換器recuperative heat exchange 複熱式熱交換器recuperative heat exchangeable 廻收熱量的熱交換器single -pass recuperative heat exchanger 單程換熱器 返回 recuperative heat