The revolving cutter shaft was not provided with any guard during operation.
在混凝土钻孔机操作期间,旋转切割轴并无获提供任何防护装置.
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The shredding chamber is a combined structure and the cutter shaft adopts rolling bearings and maintenance.
破碎室采用组合式结构,刀轴采用滚动轴承支承,装卸维修方便.
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