sequential coating造句

the objective of this project is to properly integrate the two kinds of different materials above to develop a new type of biologic composites artificial trachea, whose basic framework is textile fabric with sequential coating of bioactive materials, and to obtain the proper fabrication technology based on the results of experiments
本课题的研究工作旨在研制开发出以纺织物为支架、生物活性材料为涂层的新型生物复合材料人工气管，希望能够将这两类不同特性材料进行有机组合从而产生综合两者优异性能的复合体，同时通过对其各项性能的测试和分析来获得较佳的制造工艺。
It's difficult to find sequential coating in a sentence. 用sequential coating造句挺难的