Recently, the China Railway Group's First Navigation Bureau successfully used the semi-submersible dock as a floating dock at the Qinzhou Power Plant in Guangxi, repairing the “Training No. 37” traffic vessel, and creating a precedent for the use of semi-submersible ship repairing by the voyage. A major breakthrough in ship repairing.

The semi-submersible ship repairing process has changed the traditional ship repairing needs to go to the ship repair yard or use the floating ship docking technology, and directly use the semi-submersible barge to surface the ship for inspection and repair.

The technological innovation can be widely used in hydraulic engineering construction enterprises, which not only ensures the quality of ship repairing, but also saves the time for ships to and from the ship repairing yard. It also saves a lot of ship-ship dispatching expenses, and the direct economic benefits created by them are considerable.

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