1.The composition. properties, reaction activity, capacity of frothing and defrothing of phosphate rock and the preparation, thickening and clarification of wet phosphoric acid are stutiied.
1.对矿的组成和
,
矿的反应活
、发泡及消泡
,
法
酸制备及
酸的浓缩和澄清进行了试验研究。
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15.Pike, the malingerer, leaped upon the crippled animal, breaking its neck with a quick flash of teeth and a jerk, Buck got a frothing adversary by the throat, and was sprayed with blood when his teeth sank through the jugular.
泡病号的派克扑到那条瘸狗身上, 猛咬一口, 再一撕, 就咬断了那条狗的脖子。巴克叮住一个白沫横吐的家伙, 当他把利齿插入这个家伙颈部血管的时候, 有一股血腥气扑面而来。