3.The thesis explain the production process and process specification of the raw material pretreatment, scutching. dressing. drawing. roving. spun yarn.
1.My research is currently looking at ways of doing this through a series of UV, or ultraviolet, pretreatments, which basically means we blast PET plastic with sunlight.
我的研究目前正在寻找通过一系列 UV 或紫线预处理来做到这一点的方法,这基本上意味着我们照射 PET 塑料。机翻