Warning: file_put_contents(): Only 0 of 6758 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 surface drainage channel是什么意思，surface drainage channel的翻译，surface drainage channel音标、读音、用法和例句_零食美味英文词典
In this case, the water table is not flow surface and there is no"seepage surface" on the side walls of drainage river channel. 该条件下的潜水位面不是流面，在排水河渠边壁也不存在所谓的“渗出面”。