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Sharpened Steel 锐钢钎
Sharpening steels 切菜刀; 磨刀钢;
hardened steel 油淬硬化钢; 表面渗碳硬化钢; 渗碳钢;
oil hardened stee 油淬硬钢
hardened steel Tire 硬化钢环箍
hardened steel Bushing 淬火钢衬套；淬硬钢衬套
hardened steel roller 淬火钢滚轮
hardened steel groove 淬火槽钢