根据冶炼厂生产的迫切需要，研制成国内首创的USG—2型50吨转炉炉口清理机。
According to the Urgent requirement of smelter production, the USG2model 50t cleaning machine for converter outlet, which is the first one in China, was developed.
研究不同抗氧化剂搭配对镁碳质转炉出钢口管砖抗氧化性能的影响。
Effects of different anti-oxidants on the anti-oxidation properties of MgO-C tapping hole of a converter are studied.
分析30t转炉出钢口损毁机理，找出寿命低的主要原因。
The main low life causes of tapping hole are found after analyzing damaged mechanism of tapping hole of 30t converter.
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