Jisho

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引布製起伏堰
Wikipedia definition
1. Inflatable rubber damInflatable rubber dams are cylindrical rubber fabrics placed across channels, streams and weir or dam crests to raise the upstream water level when inflated. The membrane is a multi-layer fabric made of synthetic fibreand rubberised on one or both sides. The fabric is quite flexible and yet exhibits good wear-resistance characteristics. A layer of stainless steel mesh or ceramic chips can be embedded in the surface layer to reduce or prevent vandal damage.
Read “Inflatable rubber dam” on English Wikipedia
Read “ゴム引布製起伏堰” on Japanese Wikipedia
Read “Inflatable rubber dam” on DBpedia

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