The stricter the standards of environmental protection are day by day, the more urgent it is to develop new, low - lost and high - efficient water treatment materials increasingly.
随着环境保护标准的日益严格，开发新型、廉价、高效的水处理材料也日益紧迫。
Meanwhile, it is necessary to search for new kinds of reproduceable energy to replace the traditional energy due to the standards of energy-saving and environmental protection.
同时，节能、环保标准要求的提高，迫切需要寻找新的可再生能源替代传统的能源。
Meanwhile, it is necessary to search for new kinds of reproduceable energy to replace the traditional energy due to the standards of energy-saving and environmental protection.
同时，节能、环保标准要求的提高，迫切需要寻找新的可再生能源替代传统的能源。
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