Distillation has traditionally been the major system for water purification.

蒸馏法已传统地成了水提纯的主要方法。

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The use of biological control technology for water purification is emerging in the world, and this technique is a breakthrough.

利用生物调控技术对水体进行净化是正在当今世界兴起的一种突破性的水体修复技术。

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The operation cost of the apparatus for water purification and its applicative foreground were also briefly analyzed in this thesis.

本文对该净水装置运行费用及其应用前景也作了简要分析。

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Other ministry mandates include for designated areas include purification of water used for irrigation and physical inspections and testing of every sack of rice produced.

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It supports processes that we all often take for granted, such as air quality, climate regulation, water purification, parasite and disease control, pollination and the prevention of erosion.

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Although the Pall Corporation ( NYSE:PLL), a company that creates water purification systems, did not create the spill, they are responsible for cleaning it up.

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