ethylaniline
美 英
例句
Development of the catalysts for gas-phase synthesis of N-ethylaniline
气相法合成N-乙基苯胺工艺条件和催化剂的研究
Study on Reactivity Ratios of N-ethylaniline and Aniline
N-乙基苯胺与苯胺共聚竞聚率的研究