angular grinder
研究表明，利用角向砂轮机对麻辊进行打磨并且利用高硬度小方坯来磨合麻辊辊齿，是一种消除低碳钢小方坯表面凹坑缺陷的有效方法。
The research indicates that grinding the dented roller with a portable angle grinder and making the roller run in with harder billet are effective to eliminate the pit d…
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