knurling

n.

滚花，压花纹；

Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article
Systems, methods, and instruments for minimally invasive surgery
Standardization of Fretting Fatigue Test Methods and Equipment
Connector device
Coupling assembly for use in fluid flow systems
Weighted base
Extensible torque bar
Manufacture of open-spaced abrasive fabrics
Dispensing type cap or closure
Tamperproof cap