国产不卡一二三区_精品国产乱码久久久久久久_欧美一区二区三区四区视频 _国产精品嫩草影院com

產品介紹：

針腳長度的調節由于采用了按鈕式，使針腳長度的調節變得簡單易行。
穿線簡單易行穿底線時只需輕輕按動按鈕，底線底座便會從機器內部彈出，可簡單地進行穿線，進一步提高操作工的工作效率。
移動式妒針器可保妒機針減少磨損，防止挑線，保持穩定美觀的針腳。

Product Introduction：

The adjustment of the length of the needle foot because press-button type is adopted, the adjustment of the length of the needle foot becomes easily.
Press down the button lightly when threading. The boUom thread container will bounce out from the inner machine. Then the pinhol can be
threaded easily which helps to get higher effciency.
Adopting movable needle protector, the needle can be protected without damage and abrasion. And prevent needle steps and loses.Ensure stable and beautiful sewing trace.