A description is given of the importance of the filtration system in the process for the preparation of wet-process phosphoric acid and the procedure and main points of operation.
介绍了湿法磷酸制备工艺中过滤系统的重要性及其操作步骤和要点。
In this paper the all parts and operation principle of the control system have been given description.
本文给出了系统的组成部分及工作原理，并简要地对各部分加以说明。
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