缩写
中文翻译：化学需氧量
同义词：
['COD', 'Chemical Oxygen Demand']
例句：
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1. The wastewater treatment plant needs to monitor the CMC levels in the effluent.
废水处理厂需要监测排放水中的化学需氧量。
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2. The CMC level in the water is a critical factor in determining its quality.
水中的化学需氧量是决定其质量的关键因素。
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3. The CMC test is used to assess the environmental impact of industrial processes.
化学需氧量测试用于评估工业过程对环境的影响。