Read Edit View history 化学需氧量 huàxuéxūyǎngliàng chemical oxygen demand Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 化学需氧量/ 化學需氧量 huàxuéxūyǎngliàng chemical oxygen demand (environmental science) chemical oxygen demand; COD Edit Delete References Add reference No references for this word.
化学需氧量/ 化學需氧量 huàxuéxūyǎngliàng chemical oxygen demand (environmental science) chemical oxygen demand; COD Edit Delete