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.
COLLABORATION: Groupware technologies such as discussions, chat sessions and project libraries.协作层: 群件技术,如讨论 、 交谈会话和项目库.The discussions were a prelude to the treaty.这些讨论是签订该条约的前奏.Objective: Discussions on the best approa...
The AA called for laws to regulate clamping firms.英国汽车协会呼吁立法，规范夹车公司的行为。Mal's car had broken down en route and the AA patrolman had taken an hour to arrive.马尔的车在路上抛了锚，AA巡视员1个小时后才到达。In this section, we will consider t...
Say's writings reached a wide audience during his lifetime.在塞伊有生之年，他的作品拥有大量的读者。I've spent a lifetime fighting against racism and prejudice.我一辈子都在同种族主义和偏见作斗争。Churchill was held in near veneration during his life...
布兰德敏锐的耳朵听出了口音。Brand's keen ear caught the trace of an accent.“我改变主意了，”布兰奇说着回到她的座位上。"I changed my mind," Blanche said, resuming her seat.她心情不好，受不了布兰奇的吹毛求疵。She was in no mood to put up with Blanche's carping....