Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2017-12-01 Pages: 138 Language: Chinese Publisher: Yellow River Conservancy Press hyperconcentrated water is the main factor in the lower Yellow River siltation and severe floods. High-concentrated flow of high sediment concentration. sediment volume. a short time will result in a strong river siltation. but also often cause dangerous river training works. to the Yellow River . Codice articolo NN045794
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