求助:毕业论文摘要翻译(化工方面),十万火急(不要google之类翻译软件翻译的)回答的好再加100分!!!!!
求助:毕业论文摘要翻译(化工方面),十万火急(不要google之类翻译软件翻译的)回答的好再加100分!!!!!
日期:2009-05-08 15:42:59 人气:1
Abstract: ethylene-propylene rubber rubber industry is an important raw material, can be divided into binary ethylene-propylene, epdm, modified ethylene-propylene and thermoplastic ethylene-propylene rubber. In a single ethylene, propylene olefin copolyme