n. [高分子]聚乙烯（等于 polyethylene）
1.This polythene sheet should serve to keep out the rain for a while.
这种聚乙烯塑料应该可以挡一会儿雨。
2.We use a polythene wrapper for each shirt.
每件衬衣都用聚乙烯袋包拆。
3.And also, probe into the modified mechanism of polythene.
并对聚乙烯的改性机理作了初步探讨。
4.The wings are made of a polythene film stretched over a carbon fiber frame.
机翼是由铺在碳纤维框架上的聚乙烯薄膜制成的。
5.Wrap the end of polythene tube with gauze and plaster in position.
取下塑胶管一端的胶布和纱布。
6.All the cases must be lined with waterproof paper (Kraft paper, polythene).
所有箱子必须内衬防水纸(牛皮纸、塑料纸)。
7.The performance of the polythene film collector was analyzed, and the design of the loosening shovel was developed.
该文在分析残膜回收机具性能的基础上，提出对起膜机构的设计。
8.Polythene cushioning material is one kind of viscoelastic material.
聚乙烯缓冲材料是一种粘弹性材料。