Fireproof concrete not only can be taken the place of slag iron, but also the cost is lower and use life is longer.
用耐火混凝土挡渣墙可以代替挡渣铁，且费用低，使用寿命长。
The invention relates to a fireproof concrete hollow partition lath which is characterized in that fireproof packing is added in the partition lath.
混凝土防火空心隔墙板条，其特征是隔墙条板中添加耐火填料。
This building which is made of steel and concrete is fireproof.
这所房屋用钢筋水泥建造，是可以防火的。
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