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GRAVEHOVED OG TILHØRENDE FREMGANGSMÅDE TIL AT UDARBEJDE EN RENDE I EN HAVBUND
GRAVEHOVED OG TILHØRENDE FREMGANGSMÅDE TIL AT UDARBEJDE EN RENDE I EN HAVBUND
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机译：鲨鱼头的备料头及相关程序
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摘要
Described is a dredging head for forming a trench in an underwater bottom. The dredging head comprises a connecting part for connecting to a suction-blow conduit of a dredging vessel to be moved in a dragging direction. The dredging head further has a visor for pivoting around a horizontal axis running transversely of the dragging direction with an opening facing toward the bottom for taking up bottom material dislodged by a lower edge of the visor. The dredging head also comprises a discharge device for the dislodged bottom material. This discharge device comprises an inlet for the bottom material connecting to the opening of the visor and at least one outlet which is configured such that during movement in the dragging direction the bottom material can be discharged to at least one lateral side of the formed trench. Also described are a dredging vessel equipped with the dredging head, and a method for forming a trench in an underwater bottom.
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