Now there is a new book by Billinghurst : The BARF Diet.現在艾恩博士又寫了一本新書——《 barf 食譜》.The barf had broken and emptied its content out along the road.袋子破了,里面的東西撒了一路.Tina: He drank too much with his buddies and had to go outsi...
酞酸二丁酯一般用來作為這類增塑劑.Dibutyl phthalate is commonly employed as such a plasticizer.填料包括改性劑, 填充劑, 增塑劑和低摩擦添加劑.Fillers include modifiers, extenders, plasticizer and low friction additives.性質優(yōu)良的增塑劑能無限期地留在塑料內.A good quality plasti...