例句 /

In this paper, the market situation, commercial trend and technological progress of unsaturated polyester resin from 2004 to 2005 were reviewed with 17 references.

In this paper, the market situation, commercial trend and technological progress of unsaturated polyester resin from 2004 to 2005 were reviewed with 17 references.

摘要综述了2004-2005年国外不饱和聚酯树脂的市场动态及技术进展。