Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/661df08634e59721e5489c2bc2c92462.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 sediment oxygen demand例句_sediment oxygen demand英汉例句_sediment oxygen demand双解例句_骑士汉英词典
The various factors affecting the sediment oxygen demand(SOD) were investigated with the object of developing a method for determining SOD in urban rivers. 本文通过对底泥耗氧影响因素的研究，拟定了底泥耗氧速率（SOD）的测定法。