The drawbacks of conventional pretreatment process for cotton are long process line, large scouringloss and large mass consumption.
传统的纯棉绞纱前处理工艺存在工艺流程长、煮损率大、物料消耗大等缺点。
2
There are scouring abrasion and impact wear two basic types. The microstructure of two kinds of metal loss in process of wear and tear is not exactly the same.
有冲刷磨损和撞击磨损两种基本类型。两种磨损的金属流失过程的微观形态是不完全相同的。
3
The soil and water loss violently, the main reason was human's destroy on natural vegetation, thus it thoroughly destroyed the permeability and anti-scouring of soil.