塔塔化工厂制作了一款不耗电的过滤器，它可以提供一个五口之家一月的清洁饮用水，却只需30卢布（约合0.65美元）。
Tata Chemicals makes a filter that requires no power and can give a family of five safe drinking water for a month for 30 rupees ($0.65).
另外，您将了解如何通过在各种编辑器中最大化工作空间来减少工作空间中的杂乱现象，以及如何使用过滤选项来过滤掉不必要的工件。
In addition, you will learn how to reduce clutter in the work space by maximizing the work space in various editors and how to use the filtering options to filter out unnecessary artifacts.
涤纶、丙纶、维纶等高密度过滤布则广泛应用于制药、化工、染料、冶炼、水泥、矿山等企业生产中。
Polyester, polypropylene, high density vinylon filter cloth is widely used in the pharmaceutical, chemicals, dyes, smelting, cement, mining and other enterprises in production.
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