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。
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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