The producing technology ofp - dichlorobenzene especially the catalysts are described in this thesis.本文介绍了国内外对二 氯苯 生产技术特别是催化剂方面的最新进展.The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared ...
可能推迟英吉利海峡隧道开通的问题一大筐。A host of problems may delay the opening of the Channel Tunnel.想要推迟午夜的最后期限是完全不可能的。It is totally out of the question to postpone the midnight deadline.因对程序问题的异议而提出了推迟要求并获得了通过。The postponement was deman...
The complex is one of the largest and busiest interchanges in the state of Illinois.它是伊利诺斯州最大和最繁忙的立体枢纽之一.Ernest Felty, head of Hardin County schools in southern Illinois , has 10 home - schooled pupils.欧内斯特?费尔提是伊利诺斯州南部哈丁...