| 摘要 |
<p>The present invention relates to a floating dock having a planar deck and having large buoyancy such as an aircraft carrier, an oil tanker, and a freighter, and to a method for easily salvaging an object such as a sunken ship deposited underwater using a winch and a magnetic force. The floating dock is floated to enable the ship positioned on the deck to be floated on the surface of water so as to improve utilization of the floating dock and to enable a worker to easily salvage the sunken ship with the magnetic force.</p> |
