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补是采用不定型耐火材料以法修复炉身的一项新术。
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补是采用不定型耐火材料以法修复炉身的一项新术。
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