chemical oxygen demanded meaning in Chinese
化学需氧量
Examples
- Water quality - determination of the chemical oxygen demand
水质.化学需氧量的测定 - Cod water quality - determination of chemical oxygen demand
水质.化学需氧量的测定 - Photo of chemical oxygen demand in the kai tak nullah
启德明渠kn4的化学需氧量图片 - Cod verification regulation of chemical oxygen demand meters
化学需氧量 - Complete set up for chemical oxygen demand determinations in seawater
海水化学耗氧量测定系统