One consequence of this has been the growth of polymer modification of asphalt binders as well as the development of other modification procedures 这样随后而来的结果就是沥青包扎工具的聚合物改良的增长和其他改良程序的发展。
2.
Engineering and high property of universal plastics is the main research direction of polymer modification and novel material exploitation in the world 通用塑料的工程化、工程塑料的高性能化是目前国内外聚合物改性和新材料开发的主要研究方向。
