羞羞视频最新地址发布页,久久精品在线播放,91日本在线观看亚洲精品,蜜臀av性久久久久蜜臀aⅴ麻豆,欧美大b,国产精品视频一区二区三区,久久国产视频,91人妻人人澡人人爽人人精东影业 ,国产成人无码精品久久久免费,久久亚洲Av无码专区,人人天天大胆精品视频,脔到她哭h粗话H好爽小黄鸭视频,亚欧洲大片免费观看视频,久久手机观看学生会,91精产国品一二三a区,久久综合成人亚洲,天天综合天天综合站网站

本機由鉤針線形成單線鏈式仿手工滾邊縫縫紉機，適于各類中厚烊服裝等裝飾性縫制，縫品的一面線跡呈點狀，是各種高級服飾縫紉的理想產品。

The model put the thread in the shape with ease and effciency with the design of bearded needle and the usage cycle of needle will be much longer.Feed material in the same step both upper and lower,sewing becomes easier,cloth material won’t be creased.Length of stitch distance will be kept even.Change the adjustment dial positioning at the right side of the machine head to adjust the length of pin-point Adopt effective positioning motor to regulate sewing speed.It is more convenient when turning or placing thread.