提出了通过改变进气条件改善其耐磨特性的方法。
The ways to improve the anticorrosion characteristic of centrifugal fans with particulates by varying inlet flow conditions were proposed.
本文用amray—1000 B型扫描电镜对灰铸铁激光处理后的显微组织及耐磨特性进行了研究。激光硬化区可分为二层。
Wear resistance and microstructure of grey cast iron processed by laser have been investigated by using aSEM model AMRAY-1000B. The laser processed zones contain two layers.
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。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
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