This has biggish practical significance in improving electroplating quality, saving electric energy and alleviating environmental pollution.
这对提高电镀质量、节约电能、减轻环境污染有着较大的现实意义。
The reuse of domestic sewage is a efficient approach in alleviating the pollution of water, ameliorating the entironment and allaying the pressure of water lacking in cities.
城市污水的再生回用是减轻水体污染、改善生态环境、解决城市缺水问题的有效途径之一。
Land disposal of wastewater can help for alleviating the situation of water resources scarcity and water pollution.
污水灌溉土地处理系统具有高效利用水资源和减少水污染的双重意义。
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