| 摘要 |
Apparatuses and methods for allowing a liquid to pass over an obstacle, comprising: a generally trapeze shaped inlet platform for allowing liquid to enter from the wide-front side, having two side walls for deflecting said liquid and narrow-back side for allowing said liquid to exit; a generally trapeze shaped outlet platform for allowing liquid to enter from the narrow-front side, having two side walls for deflecting said liquid and wide-back side for allowing said liquid to be disposed; an elevated duct connecting said inlet to said outlet having a front side in the same width of the inlet narrow-back side and a back side in the same width of the narrow-front side of the outlet; an attachment means allowing attachment to said obstacle, wherein liquid is shoveled to said inlet and disposed through said outlet. |
