methyldiethanolamine
美
英 
例句
Synthesis and Characterization of Three Derivatives of Quaternary Ammonium Salts of N-methyldiethanolamine
N-甲基二乙醇胺三个季铵盐衍生物的合成与表征
Simulation of Desulfurization of Flare Gas by Absorption with N-Methyldiethanolamine
N-甲基二乙醇胺吸收法火炬气脱硫过程模拟