短語詞組短語oxygen supply demand balance 氧供需平衡oxygen n demand 需氧量biological oxygen demand 生物需氧量;生物的氧氣需要量;生物耗氧量;化學需氧量COD Chemical oxygen demand 化學需氧量;化學耗氧量;化學的氧要求量biological control oxygen demand 生物耗氧量Volumetric oxygen demand 容量需氧量;容積需氧量ThODTheory Oxygen Demand 理論需氧量Sediment oxygen demand 氧量;需氧量;沉積物耗氧量;産生較高的底泥耗氧率Chemistry Oxygen Demand 化學需氧量 返回 oxygen demand