| 摘要 |
<p>The blade has a base body (2) adjoining teeth (10), where a part of the teeth is formed as a group along the base body with three unset output teeth (L). A set of output teeth is arranged between surface teeth at one location of the base body, and another set of output teeth is arranged between the surface teeth at another location of the base body, where the number of the two set of the output teeth is not equal to zero. The surface teeth are formed as conic teeth and formed with small height. The output teeth are formed with large height.</p> |
