Lesson 3 The technics of nonwovens fabrics
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Lesson 3 The technics of nonwovens fabrics圖片（共1張） :

        3.3.1 Preparation for web forming3.3.1.1 Procedures before web formingThe fibers with certain length and linear density can be formed web by carding. But in orderto achieve favorable carding effect,the raw materials must be treated by a series of processi......（本文共 20764 字, 1 張圖）     [閱讀本文] >>