bacteria oxygen demand细菌: germ; bacterium; fungus需氧量: oxygen demand; oxygen requir ...需氧量: demand for oxygen; oxygen demand; oxygen requirement; oxygendemand耗氧量,需氧量: oxygen demand滑雪需氧量: chemical oxygen demand下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:细菌需氧量,即可在微信中查询翻译