The practice shows that smelting high grade ferrotitanium with rutile by thermite method is feasible.
实践证明,采
红石铝热法生产
钛铁在技术
是完全可行的。
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真题(英语一)
野大学英语第三版
写教程(第一册)
频版)双语精
We have a random control trial that shows strong evidence of effectiveness, and we even have a longitudinal study that shows our children's gains last into third and fourth grade, the highest grades the children had achieved at the time.
我们进行了一项随机对照试验,证明了其有效性,我们甚至进行了一项纵向研究,表明我们的孩子的成绩可以达到三、四等级,
是
个时段孩子们能取得的最高成绩。
真题精听