self sharpening

基本解释

The characteristics of abrasive tools are of high grinding efficiency, self-sharpening, not easy to block up work surface.
这种磨具磨削效率高，自锐性好，不易堵塞，因此被加工对象表面不易烧伤；
Our razor sharp plastic punches are self-sharpening and are able to significantly outlast conventional steel punches in most applications.
我们的锋利塑料冲是自激化，并能显着持续时间超过普通钢在大多数应用中拳。
Resin bond grinding wheels have characteristics of good self-sharpening, high grinding efficiency, low grinding heat and no loading. The processed workpiece has.
树脂结合剂砂轮自锐性好，不易堵塞，磨削效率高，温度低，工件表面粗糙度较低。