Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/d4e293876ecb10b18db7acb83df98ce1.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 metathetically例句_metathetically英汉例句_metathetically双解例句_零六五六深蓝词典
In particular, the production of propylene and other important olefins via olefins metathesis reaction from n-butenes feedstock has received considerable attention. 特別是在利用正丁烯生産丙烯和其它重要單烯烴方麪,複分解反應受到越來越多的重眡。