rotating-cone distilling column

例句：

1. 1.The rotating cone distilling column is used to separate impurities from the raw material.
   旋转锥蒸馏塔用于从原料中分离杂质。
2. 2. The rotating cone distilling column is an essential tool for purifying oil and other liquids.
   旋转锥蒸馏塔是净化油和其他液体的必备工具。
3. 3.The rotating cone distilling column is widely used in chemical industry to produce high-quality chemicals.
   旋转锥蒸馏塔在化工行业广泛使用，用于生产高质量的化学品。