在实验基础上研制出了瓷质砖透辉石型、钡长石型和硅锌矿型生料无光釉。
Diopside type, celsian type, and willemite type raw matt glazes for the porcelain tile were developed on the basis of the experiments.
采用优质电熔高钙低硅镁砂，添加复合外加剂，用复合有机结合剂结合，制成了镁质大砖。
The magnesia based big brick was produced by using quality fused magnesite with high calcia and low silica, composite additives and composite organic binder.
由于种种原因，硅质挂钩砖在烤窑过程中经常出现炸裂，给窑炉的安全使用留下重大隐患。
The siliceous tuckstone often crack for several reasons while heating up , which is a hidden trouble for safely running of furnace .
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