step pith

This paper comprehansively introduced the anti-overlapping techniques and the use in ployester filament production,and the take-up technique of step-thread-pitch was described in the meantim

介紹滌綸長絲生產中卷繞防疊技術的種類及應用 ,著重闡述了步進螺距卷繞技術。

In this article,according to many years pedagogic experience,the author summarizes the ways on computation of working time and drawing of gradation plan calendar multi-story running construction with different paces.

介紹了多個施工層異步距異節拍流水施工的工期計算及進度計劃表的繪制方法。