问题描述：
英语翻译
The term core hardness is applicable to carburize and hardened gearing.
Induction hardened gearing may use the term base hardness.
特别是这个 carburize and hardened gearing 怎么翻译比较好呀,急死了
The term core hardness is applicable to carburize and hardened gearing.
Induction hardened gearing may use the term base hardness.
特别是这个 carburize and hardened gearing 怎么翻译比较好呀,急死了
问题解答：
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