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Device for reducing the drive power requirements of a watercraft
Device for reducing the drive power requirements of a watercraft
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机译:用于降低船只的驱动功率要求的装置
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摘要
According to the invention there is provided an apparatus 100 for reducing the driving force requirements of a ship comprising a front-nozzle 10, wherein at least one external pin 20 protrudes outward from the front- do.
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