輥筒

輥筒(roller)是指機械中圓筒狀可以轉動的物體,機械中常用動力源(例如電機)驅動輥筒,帶動其他材料前進,或是利用輥筒產生壓力對材料進行轧制加工。

轧制加工,圖中上方和下方的圓形物體即為輥筒
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