6 Units Roller Gates 15 m x 7.5 m at Balangahari Dam, Jambi, Sumatera

6 Units Roller Gates 15 m x 7.5 m at Balangahari Dam, Jambi, Sumatera

6 Units Roller Gates 15 m x 7.5 m at Balangahari Dam, Jambi, Sumatera

6 Units Roller Gates 15 m x 7.5 m at Balangahari Dam, Jambi, Sumatera

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