钢在一定条件下淬火后获得淬硬层深度的能力为________。-博学在线学习平台

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[单选题]
钢在一定条件下淬火后获得淬硬层深度的能力为________。

A淬透性

B淬硬性

C耐磨性

D抗氧化性

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