六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.柯达叙述了一种直链的活性亚甲基两当量的黄成色剂.Kodak company describes open chain reactive methylene two - equivalent yello...
I could smell the honeyed ripeness of melons and peaches.我能闻到瓜桃熟透了的香甜味道。Skin the peaches by blanching them.把桃子焯一下去皮。Honey peaches are in now and we can eat them every day.现在水蜜桃正上市,我们每天都可以吃到....