鼓風機是一種能改變氣體流動方向的機械裝置，而且氣體進入鼓風機後，氣壓會增大，之後鼓風機再將氣體排出。而排出的氣體氣壓相對於進鼓風機時的氣壓，前者更大。[1][2]中國古代煉鐵時就用到了鼓風機，因為煉鐵時需要上千度的高溫，人們通過鼓風機將風灌入煉鐵爐助長火勢，藉以提高爐火的溫度。[3]
參考文獻
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