無油污清潔縫紉
Oil-free clean sewing
電子夾線機構
Electric clamping organization
新型的拉桿式松線裝置
New pulling thread-slacking device
新型的底線、面線剪線裝置
New base thread and surface thread cutting device
多功能的操作控制盤
Multifunction operation control panel
操作簡易，定位簡單、精確
Simple and convenient operation,simple and accurate orientation