Nature of abrasive material 磨损材料种类
The sharp, abrasive nature of the particles suggested they could have damaged the bodies of aircraft and the Windows - reducing visibility.
这些颗粒锋利而粗糙的性质,暗示着它们能损坏飞行器的机体和舷窗——这会降低可见度。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
由于阀门使用的高频率,以及石英粉末的研磨特性,都要求耐磨性很高的阀门才经受得起。
This is because the very nature of the tool involves a cutting or abrasive action.
这是很自然的,因为牵涉切削工具或磨料行动。
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