New technological viewpoints and application examples are given in this article based on the quantitative analysis of the drawing and combing preparation processes according to the hooked - fiber drawing theory 摘要根据弯钩纤维牵伸理论,对并条和精梳准备工艺进行了定量分析,提出了新观点及应用实例,并对罗拉牵伸的一般规律进行了定性分析。