常見例句雙語例句The main technique of the process includes three steps: raw oil purification by batch distillation;該工藝過程主要包括採用間歇精餾法對原料進行提純；The experimental study for purification of peach aldehyde by vacuum batch distillation, as well as the heat sensitivity of the product, is carried out.採用真空間歇精餾技術(shù)對桃醛原料進行分離試騐，考察了桃醛的熱敏性，確定了安全的操作溫度範圍和適宜的操作方法。 返回 batch purification