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Narration:JP Telop:N/A

Aratozawa Dam (construction record)

Narration:N/A Telop:N/A

Sannoukai Dam Temporary drainage tunnel hydraulic model experiment Improvement Ⅰ'-17~18

Narration:N/A Telop:N/A

Sannoukai Dam Temporary drainage tunnel hydraulic model experiment experiment record (Comparison of improvement plans)

118 Renovation of Taishakugawa Dam (Shin-Taishakugawa Power Station Project)