王月英家的酱缸里只剩下一层缸底。
高炉炉缸炉底的寿命是高炉本体寿命的限制性环节。
The lifetime of blast furnace hearth and bottom is the restricted link of blast furnace life.
高炉炉缸的侵蚀和炉缸内铁水流动的状态密切相关,铁水流动对炉缸炉底的冲刷是炉缸侵蚀的重要原因。
The erosion of the hearth has a close relationship with the state of liquids flow in the hearth of blast furnace.
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