Scope of application: Fit to sew light and medium heavy material of knit, cotton and synthetic fabrics.
适用范围:适用于薄料和中厚料的针棉化纤等缝料的缝制。
By means of the examination and the analysis on the medium heavy plates with black line, the origin of black line at the cutting end of the medium heavy steel plates are found out.
通过对有黑线的中厚钢板进行相关的检验和分析,弄清中厚钢板剪切端面黑线的形成原因。
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