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对井式渗碳炉采用炉气碳势控制新技术,使南昌齿轮厂生产的拖拉机齿轮达到了引进产品的技术要求。
The use of furnace carbon potential gas carburizing furnace control of new technologies so that the gear factory in Nanchang tractor gear to achieve the introduction of the technical requirements of products.