| 单词 | 化学需氧量 |
| 释义 | 化学需氧量huàxuéxūyǎngliàngchemical oxygen demand (an environmental indicator)化学需氧量1. chemical oxygen demand化学需氧量chemical oxygen demand {= COD}化学需氧量chemical oxygen demand {=COD}化学需氧量chemical cxygen demand (COD)化学需氧量chemical oxygen demand (COD)化学需氧量chemical oxygen demand {COD}化学需氧量chemical oxygen demand{=COD}化学需氧量chemical oxygen demand｛=COD｝化学需氧量COD (chemical oxygen demand)化学需氧量COD {chemical oxygen demand}化学需氧量chemical oxygen demand; COD化学需氧量chemical oxygen demand（COD）化学需氧量COD{chemical oxygen demand}化学需氧量COD， chemical oxygen demand化学需氧量chemical oxygen demand，COD化学需氧量chemical oxygen demand |
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