self sharpening

基本解釋

The characteristics of abrasive tools are of high grinding efficiency, self-sharpening, not easy to block up work surface.
這種磨具磨削效率高，自銳性好，不易堵塞，因此被加工對象表面不易燒傷；
Our razor sharp plastic punches are self-sharpening and are able to significantly outlast conventional steel punches in most applications.
我們的鋒利塑料沖是自激化，并能顯著持續(xù)時間超過普通鋼在大多數(shù)應用中拳。
Resin bond grinding wheels have characteristics of good self-sharpening, high grinding efficiency, low grinding heat and no loading. The processed workpiece has.
樹脂結合劑砂輪自銳性好，不易堵塞，磨削效率高，溫度低，工件表面粗糙度較低。