| 字词 | 化学需氧量 |
| 释义 | 化学需氧量【英】chemical oxygen demand译文来源Report on the Work of the Government 2015 定义来源2015政府工作报告 例句1. 今年，二氧化碳排放强度要降低3.1%以上，化学需氧量、氨氮排放都要减少2%左右，二氧化硫、氮氧化物排放要分别减少3%左右和5%左右。 1. This year, we will cut the intensity of carbon dioxide by at least 3.1%, reduce both chemical oxygen demand and ammonia nitrogen emissions by around 2%, and reduce emissions of sulfur dioxide and nitrogen oxides by around 3% and 5% respectively. |
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