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....
All the band come from good, solid, working-class backgrounds.所有的乐手都来自值得我们尊敬的工人阶级。The Black church community has sought to bring together Christians from different denominational backgrounds.黑人教会社区试图将来自不同教派的基督徒联合起来。Many ...
你可以和其他在线的人聊天。You can chat to other people who are online.主持人: 现在好大夫在线的流量如何?Compere: At present discharge of good doctor on - line how?发声的系统被连接在线的到载入计算机.The sounding systems to be connected on - line to loading computer....