reef coreとは 意味・読み方・使い方

ARTIFICIAL FISH-BREEDING REEF HAVING CORE OBTAINED BY BUNDLING PIPES例文帳に追加

パイプを束ね合わせて芯にする人工魚礁 - 特許庁

This hand-cooked artificial fish-breeding reef is manufactured by inserting concrete pieces, rocks (3) and a material to make gaps into spaces between several pipes (1) having opening parts (2) cut out in middle parts so as to form voids around the opening parts (2) as a center, arranging them and covering the arranged materials as a core with cement or a resin material (5).例文帳に追加

中間部分に切り欠いた開口部（２）を作ったパイプ（１）数本の間に、この開口部（２）を中心として空洞ができるようにコンクリート片、岩石（３）その他隙間を作る材料を挟み込み、配置し、これを芯として、セメントあるいは樹脂材料（５）で覆うように固めた手作りできる人工魚礁。 - 特許庁