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.
对胺磷矿和
质,胺磷矿
反应活
、发泡及消泡
能,湿法磷
及磷
浓缩和澄清进行了试验研究。
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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.
泡病号派克扑到那条瘸狗身上, 猛咬一口, 再一撕, 就咬断了那条狗
脖子。巴克叮住一个白沫横吐
家伙, 当他把利齿插入
个家伙颈部血管
时候, 有一股血腥气扑面而来。