| 摘要 |
PURPOSE: A prefabricated block for an ecological irrigation canal is provided to enable water plants to be grown on the bottom and inner surfaces of an irrigation canal. CONSTITUTION: A prefabricated block for an ecological irrigation canal comprises a main body(1), a sealing member, and multiple rugged portions(3). The main body comprises a curved portion(11), extensions(12), a first end protrusion(13), a first sealing member insertion groove(14), a second end protrusion(15), and a second sealing member insertion groove(16). The sealing member is inserted into the space formed by the first and second sealing member insertion grooves. The rugged portions are formed on the top surface of the main body. |
