常見例句Separating high pure dinitrotoluene from crude dinitrotoluene was intraduced in detai is,and the problems in these methods were discussed. 重點(diǎn)論述了從工業(yè)二硝基甲苯中分離出高純度的2,6-二硝基甲苯,且分析了目前各種方法中存在的問題。to be perceptive of the minutest detai 洞察鞦毫for more detai, pls visit www.ecfmg.org . 喫的是草，擠出來的是嬭。detay differential 時(shí)滯Detay 德泰 返回 Detaye