本机特点（FEATURE） 全新改良机种 本机为FW787 之全新改良机种，具有速度快、差动量大及零件强制给油设计，耐磨性高等优点。 The FW780 is a new upgraded model of FW787 which offers super high speed operation,bigger differential feed dog ration and the parts have high resistance of wear form the new lubrication system. 右切刀切布边功能 全新设计之FR（右切刀）切布边功能，好操作、稳定性佳。 The brand-new design”Right Hａnd Side Fabric Trimmer”operates in easy and stable. 布导器连动机构 设计的布导器连动机构，导布稳定、操作方便。 The patent fabric guider lifter mechanism guides fabric in stable and operates in convenience. 透明吸布屑管设计 透明吸布屑管设计，可轻易观察风管内部布屑排放情况。 The limpid waste fabric suction tube design is easy to check the waste fabric in the tube which have been voided or not. 一体成形开口式固定风管设计 采用一体成形开口式固定风管设计，安装容易且外型美观。 The body forming open type suction tube installs in easy and beautiful. 适用于男女内裤裤腰之松紧带缝合，配合右切刀装置，更能提高缝制品质. Applicable to men &;; women underpants for attach the elastic waist-band.The”Right Hａnd Side Fabric Trimmer”increases sewing quality. | 
