Unverified83% confidenceTradeoffTime unknown
锋利度与耐用性权衡：高硬度钼钒钢锋利持久但脆性大，扭剪硬骨或掉地易崩刃；普通不锈钢韧性好不易崩但需勤磨
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83%
Confidence
Long-term
Relevance
-
First Seen
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Unverified主刀片为不锈钢材质，硬度中等（约HRC56），优势是不易锈蚀且容易打磨恢复锋利，劣势是保持性不如高硬度钢，重度使用需频繁磨刀85% similarUnverified锋利度与耐用性权衡：碳钢剪刀更锋利但易生锈需上油保养，不锈钢剪略钝但免维护，潮湿环境或懒于保养选不锈钢85% similarUnverified钨钢齿硬度高、耐磨不易钝，但脆性大易崩裂；锰钢韧性好但磨损快。城市水泥碎石路优选锰钢，纯冰面可选钨钢84% similarUnverified刀刃钢材硬度中等，优点是容易用普通磨刀石恢复锋利，缺点是保持性一般，频繁使用需定期打磨83% similarUnverified钛合金硬度不及高碳钢，不适合用锤子大力敲击硬地，强行锤打容易导致钉尖弯折报废83% similar
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