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

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

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Shinmiyakawa Dam Precast inspection corridor construction status

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Kanezawa regulating reservoir Situation of external concrete placeme

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Outline of the Anou Dam

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Takihata Soundscape