wastewater processing efficiency
wastewater processing efficiency
废水处理效率
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 objective of biological wastewater treatment was to improve processing efficiency, lessen disposal cost and make running harmoniously.
提高处理效率、降低处理成本、保障处理的和谐运行是污水生物处理自始至终所追求的目标。
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