本透热感应器的炉衬采用的是整体打结式。
The furnace lining of diathermanous inductor adopts entirely knot type.
不管是打结式炉衬，还是装配式炉衬，长期在高温下工作都会发生变化（主要是热胀冷缩和氧化）。
No matter it is knot type furnace lining or fabricated furnace lining, when for long time working under the high temperature it is certain to change (mainly is expansion and contraction or oxidation).
为延长炉衬的使用寿命，用镁质捣打料代替镁砖打结精炼电炉炉衬。
To prolong furnace lining′s service life, refining furnace lining is rammed with magnesia ramming material instead of magnesia brick.
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