介绍了新研制的预抽真空式可控气氛气体渗碳炉。
A newly developed BBH pre - vacuum - pumping carburizing furnace has been introduced in this paper.
负压渗碳的设备是对真空炉进行改造，使得真空炉能够进行真空烧结和气氛负压渗碳。
The vacuum furnace is adapted to meet both vacuum sintering and carburizing at negative pressure.
负压渗碳的设备是对真空炉进行改造，使得真空炉能够进行真空烧结和气氛负压渗碳。
The vacuum furnace is adapted to meet both vacuum sintering and carburizing at negative pressure.
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