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.The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials....
His home became a place of refuge for the believers.他的家成了信徒们的避难之处。Believers were treated with the same severity as the Christians had been a few years earlier.和几年前的基督徒一样,信徒们受到了同样严厉的对待。Religious believers and non - believ...