The role of needlepoint is to coordinate the functional part of pricker and enable it to penetrate into fiber fabrics smoothly. 针尖的作用是配合刺针工作部位顺利刺入纤维织物内。
In the practice of production and application, for the convenience and intuitivism of operation, some factories require simple notation on the serial number of pricker. 在实际制造和应用中，为了操作的方便直观，有部分厂家要求刺针的编号用简单写法。
