例句與造句

1. Complex initiation system
   復合引發(fā)體系
2. Polymerization of high molecular cationic polyacrylamide by using complex initiation system
   采用復合引發(fā)體系制備高分子質量陽離子聚丙烯酰胺
3. It's difficult to find complex initiation system in a sentence. 用complex initiation system造句挺難的