Alkalies also cause severe wear of common refractories.
碱还严重地浸蚀通用的耐火材料。
The particles near to the dynamic clearance dimension generate severe wear.
尺寸与动态间隙很接近的磨粒能使泵发生严重磨损。
Pump body is by cast iron casting blank forming, severe wear new thing should be changed.
泵体是由铸铁铸造毛坯成型,出现严重磨损时应更换新件。
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