所以炉衬的使用是有一定的期限的。
Therefore, the use of furnace lining has definite time limit.
本发明具有生产工艺简单，可有效地保护炉衬的渣线、耳轴部位等特点。
The present invention is simple and can protect lining of converter effectively.
本发明具有生产工艺简单，可有效地保护炉衬的渣线、耳轴部位等特点。
The present invention is simple and can protect lining of converter effectively.
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