常見(jiàn)例句雙語(yǔ)例句A simple and efficient method based on the technique of capillary column switching back flushing was developed for the detailed analysis of aromatic hydrocarbons in gasoline.發(fā)展了一種采用毛細(xì)管氣相色譜柱切割反吹技術(shù)分析汽油中芳烴的方法。 返回 back flushing technique