| 摘要 |
A water-borne vessel propelled by a plurality of propulsion wheels each of which has a plurality of hydrofoil units disposed circumferentially around the drive shaft of the propulsion wheel on a support. In one embodiment, a tire for a land vehicle, is provided coaxially with the hydrofoil units on the drive shaft. The tire has a radius greater than the radial distance between the shaft and the units to form an amphibious vehicle.
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