It is customary to size the yarn in order to impart the necessary strength and to provide surface protection for the yarn . 通常給經(jīng)紗上槳是為了賦予經(jīng)紗必要的強(qiáng)度和提供表面保護(hù)。
It is customary to size the yarn in order to impart the necessary strength and to provide surface protection for the yarn . 經(jīng)紗上漿一般是為了賦予經(jīng)紗必要的強(qiáng)度和提供表面保護(hù)作用。
Co - extrusion surface protection film special embossed film sheet 特殊壓紋膜板