This machine has wide filter area, heavy flow, wide range of application, and is broadly used in the pharmaceutical industry, chemical industry, food industry and so on.
本机过滤面积大，流量大、适用范围大、广泛应用在制药、化工、食品等行业。
The sequential chemical extraction (SCE) method is used to study the chemical states of heavy metals in industry waste slag in this paper.
介绍了一种分析测定工业废渣中重金属的化学形态的方法：连续化学萃取法。
In The Times of heavy chemical industry, main developed countries are characterized with mass production, mass consumption and mass waste.
主要发达国家在重化工业时代都是以大量生产、大量消费、大量废弃为特征的。
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