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Terms containing 5-day biochemical oxygen demand | all forms | in specified order only
SubjectEnglishChinese
oil, chem.5-day biochemical oxygen demand5天生化需氧量
water.res., ecol.soluble 5-day biochemical oxygen demand溶性 5 日生化需氧量
tech.soluble 5-day biochemical oxygen demand溶性五日生化需氧量

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