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Book Description paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2022-07-01 Pages: 124 Publisher: China Water Conservancy and Hydropower Publishing House This book systematically analyzes and researches the development status of the element-free method and the external pressure stability analysis theory and method of the pressure pipeline. and establishes a A new model for the analysis and calculation of the external pressure stability of the initial geometric defect. geometric nonlinear ribbed thin shell. and creative. Seller Inventory # NY044230