| 摘要 |
A vessel is provided. According to an embodiment of the present invention, the vessel comprises a storage tank on a hull for storing seawater; one or more thruster tunnels connected to the storage tank; an impeller for injecting seawater stored in the storage tank to the thruster tunnels; and a valve on the thruster tunnels for injecting the sweater injected by the impeller to the portside or starboard of the hull. |
