| 摘要 |
<p>Hollow needle, partic for rapidly tying pile knots on a substrate mesh with a solid point for easy insertion in the gause (Smyrna gauze) and hollowed out at the top for easy pulling up through one of the next meshes of the gauze, has the opening for the yarn passage on the left hand side of the needle in the normal construction for right-handed people.</p> |
