用途与特点：
　　 SD 系列圆筒纸滚刀切纸机，主要用来将卷筒纸切成各种规格的平张纸，也可以分切（纵向）、具有结构简单，调节方便，使用寿命长等优点。

Function and Characteristics:
    SD series roll paper hobbing machine is mainly used to cut roll paper into flat sheets of various specs, and can also be used for parting cut (longitudinal). It provides such virtues as simple structure, convenient adjustment and long service life etc.