短語詞組短語vacuum fractionating distilling column 真空精蒸餾塔crude e fractionating column 原油分餾塔a fractionating column 分餾柱crude fractionating column 原油分餾塔coal tar fractionating column 煤焦油餾分塔tray fractionating column 堦梯式分餾塔batch fractionating column 間歇式分餾柱;間歇式精餾塔;間歇精餾柱continuous fractionating column 連續(xù)分餾塔bottom of fractionating column 分餾塔底anthracene fractionating column 蒽塔 返回 fractionating column