Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.A new process of Hydration of propylene oxide ...
她的眼睛是蓝绿色的。Her eyes were a bluey-green colour.如果高度提纯, 这种色素的红光吸收型是蓝绿色的.When highly purified, the red - absorbing form of the pigment is blue - green.试验后以20倍放大镜观察, 无蓝绿色腐蚀物之现象,判定合格.Inspect specimen under 20 x magnifier, no b...
你把这个虫子放进火柴盒里.You put the insect in a matchbox.而我的小弟弟收集火柴盒.On the other hand my youngest brother collects match boxes.他有差不多600只火柴盒,但我怀疑它们一文不值.He has almost 600 of them but I doubt if they are worth any money....
"Long" is the antonym of "short".“长”是“短”的反义词。Guessing word from Synonym and Antonym.通过同义词和反义词的关系猜词.“Long” is the antonym of “short”.“长”是“短”的反义词。Sad is an antonym of happy.sad(悲哀的)是happy(愉快的)的反义词....