alloy-steel fine steel steel alloy
... fine_steel_arrow 铁箭 alloy-steel fine steel steel alloy 合金钢 high-grade fine carbon steel 高级优质碳素钢 ...
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alloy-steel fine steel steel alloy
合金钢精合金钢
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The cast alloy steel bit-sharpener has been prepared by pouring the chrome abrasion resistance steel and the low-alloy steel with fine impact resistance one-step using cast-in technique.
镶铸复合金属材料截齿是利用镶铸工艺，将铬系耐磨合金与抗冲击性能好的低合金钢一次浇铸成型。
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