单词 vacuum hardening
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释义
真空淬火
时间: 2026-06-17 09:49:24
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1·Because the hardness of substrate was low after vacuum melting, the hardness of substrate was increased by hardening and tempering methods.
由于真空烧结涂层基体的硬度较低,采用对基体调质处理的方法来提高涂层基体的硬度。