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通过进行高强韧铸钢丸的研制，从而为零件表面清理、除锈、强化提供了更可靠的保证，此种铸钢丸的抗破碎能力提高了６０％以上。
Through the development of high-toughness steel shots, which provide a more reliable guarantee for parts surface cleaning, rust removal and strengthening. The anti-crushing ability of such cast steel shots is improved by more than 60%.