river runoffとは 意味・読み方・使い方

To provide an erosion prevention mat used for the revetment of a river, which is capable of suppressing the runoff of soil for plants filled in the mat due to water flow through the river.例文帳に追加

植物を育成すべく内部に充填した土壌が、河川の流水によって流失しにくい河川の護岸に用いる侵食防止マットを提供すること。 - 特許庁

To provide a river-levee slope face protective cover block, which prevents runoff or the like of a slope face due to the scour of the slope face even in the case of a large-scale swelling such as a flood, maintains the firm inclined slope face while harmonizing with a peripheral landscape and has an affinity with natural environment.例文帳に追加

洪水等のような大規模な増水時にも、傾斜法面の洗掘による法面の流失等を防ぎ、堅固な傾斜法面を維持するとともに、周辺景観とも調和し、自然環境に親和的な河川堤防法面保護被覆ブロックを提供する。 - 特許庁