Now there is a new book by Billinghurst : The BARF Diet.现在艾恩博士又写了一本新书——《 barf 食谱》.The barf had broken and emptied its content out along the road.袋子破了,里面的东西撒了一路.Tina: He drank too much with his buddies and had to go outsi...
酞酸二丁酯一般用来作为这类增塑剂.Dibutyl phthalate is commonly employed as such a plasticizer.填料包括改性剂, 填充剂, 增塑剂和低摩擦添加剂.Fillers include modifiers, extenders, plasticizer and low friction additives.性质优良的增塑剂能无限期地留在塑料内.A good quality plasti...