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Research on the Automatic Production Line Technique of the Precast Reinforced Concrete U-shaped Canal

WANG Bing;  
The applied technical research on introducing and studyting the automatic production line of the field canal includes three research tasks: studying the mix proportion test of the new kinds of concrete materials, optimizing the cross section of the precast reinforced concrese U-shaped canal and developing the productive techniques and equipments of this U-shaped canal.
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