DuPont has offered the technology to fluoropolymer manufacturers globally in a royalty - free exchange.并且,杜邦已将这一技术免费提供给全球范围内的氟聚合物制造商.The preparation methods and materials such as ( fluoro - monomer ) and fluorosurfactant...
Of the economic crop such as cotton, earthnut cultivate an area to increase in quantities.棉花 、 花生等经济作物的种植面积大量增加.This medicine is poisonous if taken in large quantities.这种药如服过量是会中毒的.They ordered quantities of farm impleme...