| 摘要 |
PURPOSE: An environmental channel pipe is provided to manufacture, carry and install a channel pipe, to have economical effects, and to preserve an ecosystem. CONSTITUTION: The environmental channel pipe(1) contains an end projection(11) and a connection(12) on the front and rear of a body, a movable way(14) penetrated at the center of both sidewalls(13) and provided with an inlet(15) and an outlet(16), and a slope way(18) provided with a rugged part(17). A fish space(19) is formed in the channel pipe(1).
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