| 摘要 |
The design consists of the features of the shape and configuration of the rock penetration tooth shown in the drawings. Figure 1 is a perspective view of the rock penetration tooth;Figure 2 is a right side view of the rock penetration tooth;Figure 3 is a top plan view of the rock penetration tooth;Figure 4 is a bottom plan view of the rock penetration tooth; Figure 5 is a front view of the rock penetration tooth; andFigure 6 is a rear view of the rock penetration tooth. |
