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采用間歇精餾法對(duì)原料進(jìn)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.采用真空間歇精餾技術(shù)對(duì)桃醛原料進(jìn)行分離試驗(yàn),考察了桃醛的熱敏性,確定了安全的操作溫度范圍和適宜的操作方法。 返回 batch purification