化学需氧量 huàxuéxūyǎngliàng chemical oxygen demand Definitions Defs Origin Strokes Stroke Words Sentences Sents 化学需氧量 (化學需氧量) huàxuéxūyǎngliàng chemical oxygen demand (environmental science) chemical oxygen demand; COD Sources Definitions CC-CEDICT
化学需氧量 (化學需氧量) huàxuéxūyǎngliàng chemical oxygen demand (environmental science) chemical oxygen demand; COD Sources Definitions CC-CEDICT
