On July 11, 1998 (March 18, 1998), the Three Canyon Project was organized to completely shut down the waters due to the influence of the Three Canyon Project. The Three Canyon Project was approved by the Ministry of Transportation and was shut down from July 11, 1998 (March 18, 1998). This was the first time since October 6, 1997 that the Three Canyon Project Temporary Gate was shut down on July 10, 1998 at 14:10 p.m., so the Three Canyon Project Project continued to shut down the Three Canyon Project from November 1997, to 2003, the Three Canyon Project achieved the Three Canyon Project since the Three Canyon Project was launched. According to the design, when the Three Canyon Project Temporary Gate was less than 20,000 cubic meters per second, all ships