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Swings

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Filter cake is critical to maintaining the stability of the excavation face of an underwater shield tunnel in a high-permeability stratum. In a high-permeability formation. generating an effective filter cake on the excavation face is difficult with a pure bentonite slurry. which penetrates the ground and may not achieve the required suspension pressure. https://www.thebrickes.shop/product-category/swings/
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