单词 | 硬土层 |
释义 | 〔sierozem〕Any of a group of soils found in cool to temperate arid regions that is brownish gray at the surface with a lighter layer below and is based in a carbonate or hardpan layer.灰钙土:一种发现于从凉爽到温带干旱地区的土壤,表面为灰褐色,下面一层颜色稍淡,存在碳化或硬土层之中 |
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