| 摘要 |
PROBLEM TO BE SOLVED: To provide a concrete-made water channel having a growing environment of aquatic creatures for accomplishing harmony between the channel and the surrounding natural environment. SOLUTION: The concrete-made water channel comprises the bottom 10 of normal concrete and a rise section 11 of porous concrete, and the concrete-made water channel 1 can also forms a culvert section 22 for making the aquatic creatures live in the rise section 11. COPYRIGHT: (C)2004,JPO
|
