灌溉与排水工程设计规范gb50288 2018(农业灌溉水利用效率到底应该如何测定)
发布时间：2022-09-26 00:57 浏览：
{!-- PGC_VIDEO 640, "thumb_url" "", "vid" 360, "src_thumb_uri" "toutiao", "update_thumb_type" "https {"high" 9.734, "h" 0, "w" 2021312}, "ultra" 9.734, "h" 0, "w" 5279445}, "normal" 9.734, "h" 0, "w" 1632971}}, "md5" 9.734, "file_sign" "1e93d000048341098e7ef", "vu": "v02016780000bilhtqrrm1n87h2ome8g"} --}