About AOKI TAKASHI
About 中部電力
About power plant
About hydraulic power generation
About construction work
About rock fill dam
About close-in work
About aqueduct tunnel
About underground opening
About computer aided construction
About pressure iron pipe
About underground power plant
About hydraulic power plant
About Tokuyama Dam
About Hydroelectric power generation
About 水力発電所
About 工事
About 施工
About 報告