harbor lineとは 意味・読み方・使い方

By forming the upper front edge facing the outside 1 of the harbor of the caisson body 4 is shaped in a arcuate form in plan view, waves from the outside 1 of the harbor is bent by the front upper face to concentrate the wave directional line in the central part of the caisson breadthwise direction and enhance the efficiency of the seawater exchange by the headrace work 9.例文帳に追加

ケーソン本体４の港外１に面する上部前縁が平面視で弧状となるようにすることで、港外１からの波をケーソン前面上部で屈折させて波向線をケーソン幅方向中央部に集中させ、導水工９による海水交換の効率を高める。 - 特許庁