- Secondly, the performance of friction couples are tested under the condition of USM running.
接着在电机运转的条件下，对耐磨材料组成的摩擦副的表现进行评价和优选。
- Sintering as a whole offers resistance against friction, pressure and corrosion, with long service life.
整体烧结，耐磨耐压耐腐，使用寿命长。
