Cutter Suction Dredger 350 Cutter Suction Dredger (CSD) 350 is a type of dredging vessel specifically designed to remove underwater sediments, sand, and other materials from the seabed, rivers, or other water bodies. It uses a rotating cutter head to loosen the material, which is then sucked up through a suction pipe and pumped to a disposal site or to land for reclamation projects.
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