cyanite例句

The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials.
以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖.

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