作者: Lan Qiang
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摘要: The invention provides a wear-resisting steel ball which comprises body. body is provided with multiple grooves in parallel surrounding mode. Multiple granules are arranged on the and located between every two adjacent grooves. width of gradually increased along increasing depth. A coating each groove. An abrasive layer attached to surface shape structure optimized, wear resistance corrosion improved through granules, service life operation process prolonged.