water plants reconstruction
water plants reconstruction
水厂改造
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The design and operation parameters of the biological filter may provide a scientific basis for construction and reconstruction of water plants with slightly polluted water sources.
生物陶粒滤池的设计和运行参数可为微污染水源水厂的改造和新建提供科学依据。
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