- 化學需氧量
- hua4 xue2 xu1 yang3 liang4chemical oxygen demand (an environmental indicator)* * *化學需氧量|化学需氧量 [huà xué xū yǎng liàng] ► chemical oxygen demand (an environmental indicator)
Chinese-English dictionary. Academic. 2013.
Chinese-English dictionary. Academic. 2013.