exposed sandy beachとは 意味・読み方・使い方

In a sandy beach in nature, heavy artificial sand 2 artificially manufactured by crushing rock with a specific gravity of 2.9 or more and ores is stacked thick on general sand 4 with a specific gravity of about 2.6 of a sandy beach in nature, or on the partially exposed ground where such sand is lost by erosion, or coated thereon with a desired thickness.例文帳に追加

自然の砂浜の比重が２．６前後の普通の砂４の上に、或はこのような砂が侵食されて無くなって部分的に露出した地盤の上に、比重が２．９以上の岩石、鉱石類を破砕して人工的に製造した重い人工砂２を厚く積み上げ、或は所望の厚さで被覆するようにした。 - 特許庁