luscious silks and velvets柔软光滑的丝绸和天鹅绒A series of knitting technologies are introduced in regard to plain, striped and fancy elastic velvets.文中介绍了平纹弹力丝绒 、 条纹弹力丝绒和花式弹力丝绒的编织工艺.Silks and satins, scarlets and velvets, put out...
把醋酸乙酯 71.4 磅加到容器中的浆液内.Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.乙二醇迅速地被它氧化,生成草酸和羟基醋酸.Glycol is oxidized rapidly by it to oxalic and glycolic acids.对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.The reverse of Reac...