topsoil cover 中文意思是什麼

topsoil cover 解釋
表土保護
  • topsoil : 表土；耕作層土壤。
  • cover : vt 1 覆蓋，遮蔽，包裹；戴帽子；包庇，隱蔽，掩蓋；滅跡，（用紙）表（墻）。2 孵（小雞）；（種馬）交...
  1. He ordered tons of fertile topsoil to cover the grounds to a depth of five feet and full - grown specimens of the plants were trucked up the mountain for planting

    他定購了成噸肥沃的表層土，覆蓋地面達5英尺深，把這些植物長好的樣品用卡車運到山上種植。
  2. The wonderful loess lands, which cover much of kansu, shensi, ninghsia, and shansi provinces, account for the marvelous fertility of these regions ( when there is rainfall ), for the loess furnishes an inexhaustible porous topsoil tens of feet deep

    這一令人驚嘆的黃土地帶，廣及甘肅、陜西、寧夏、山西四省的大部分地區，雨量充分的時候異常肥沃，因為這種黃土提供了無窮無盡的、有幾十英尺深的多孔表土層。
  3. Topsoil on most of the project area is highly eroded and there is little vegetation cover except in the ravines

    工程項目區內的大部分表土皆已嚴重流失，而除了河谷之外的地區只存在少量植被。
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