本发明在工作时齿型外沿周期性的拍动工作面，尽可能的把细小颗粒振起清除；
When the wind-driven rolling brush of the invention works, the toothed outer edge periodically flaps the working surface to vibrate and remove fine particles as much as possible;
以往点蚀监测只能采用离线的监测手段根据对齿面磨损颗粒的分析做出结论。
It is monitored previously only with off-line methods which are based on the analysis of debris weared.
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