压片的（绿色团体）是真空炉烧结的试点规模在1440C为1小时。
The pressed pieces (green bodies) are sintered in vacuum furnace of pilot scale at 1440 C for 1 h.
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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