介绍了中间包永久层用自流浇注料的研制和使用。

The development process and application situation of the self flow castable for permanent lining of tundish are introduced.

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本实用新型所述透气砖倾斜设置在底部的永久层上，其透气面与工作层的表面高度一致。

The ventilating brick is aslant arranged on the permanent layer at the bottom, and the ventilating surface of the ventilating brick is consistent with the surface of the working layer.

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造成这种情况的原因有两个：首先，它们生活在活动层中，请记住，活动层中包含的水不会渗透永久冻土。

There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.

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