The medium and small - sized furnace stack gunning with unshaped refractory materials is a new repatching technology.
中小型高炉炉身内衬喷是采用定型耐火材料以喷射法复炉身的一项新术。
The medium and small - sized furnace stack gunning with unshaped refractory materials is a new repatching technology.
中小型高炉炉身内衬喷是采用定型耐火材料以喷射法复炉身的一项新术。
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