biological nitrogen removal process的意思|示意
生物脱氮工艺
biological nitrogen removal process的网络常见释义
生物脱氮工艺 生物脱氮工艺 biological nitrogen removal process 船型一体化氧化沟 Boat Type in intrachannel clarifier oxidation ditch 纯(富)氧曝气法 pure-oxygen aeration process ..
biological nitrogen removal process相关短语
1、 enhanced biological nitrogen removal process 生物脱氮强化工艺
2、 modified biological nitrogen removal process 改进型生物脱氮工艺
3、 step-feed biological nitrogen removal process 分段进水生物脱氮