The water repellent soil of high flexibility bentonite plate, the bentonite bed containing particle such as water conservancy projects, building are glued at two permeable geotextiles, and the lower alcohol acrylate of copolymer is contained by adhesive. Equally distributed impression is formed in the side of panel by hot pressing densification and has held with a firm grip to increase on the ground. Bentonite bed is deposited on the aqueous solution of the adhesive of froth bed, then with identical.
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