农业排水 meaning in English

agricultural drainage

Practice for subsurface installation of corrugated thermoplastic tubing for agricultural drainage or water table control
农业排水或地下水位控制用热塑塑料波纹管地下安装惯例
Standard practice for subsurface installation of corrugated polyethylene pipe for agricultural drainage or water table control
农业排水或地下水位控制用聚乙烯波纹管地下安装的标准实施规范