常見例句雙語例句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)展了一種採用毛細琯氣相色譜柱切割反吹技術分析汽油中芳烴的方法。 返回 back flushing technique