For the lack of systematical study on oxygen condition of wetlands,the further development of wetlands is restricted to some extent.
英
美
研究了串联型人工湿地、美人蕉湿地曝气、湿地多点进水和湿地出水回流对人工湿地氧环境的改善及净化效果;
目录
查词历史
英 汉