... Double-sided 双边的，两侧的 Double-sided wear 双面磨损 Double-stage nitriding 二段渗氮，氮化 ...
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Scraper with double-sided knife with high-strength wear-resistant materials, board, according to the different soil hardness, the control point of the blade buried.
刮板带双面用高强度耐磨材料刀板，可根据土壤硬度的不同，控制铲刀入土角度。
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