河道;
Furthermore, the activity of the biofilm on savageness and artificialness filling surface in the projection demonstration riverway were also analyses.
分析了项目示范区河道内天然填料及人工填料挂膜成熟的生物膜活性。
Anti-Leakage Technology on Artificial Lake Riverway in the Urban Section of Hutuo River at Shijiazhuang
滹沱河石家庄市区段河道人工湖防渗技术研究
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