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yellow earth in China
释义
yellow earth in China
Encyclopedia
理学
中国的土壤类型(发生学分类)
释
yellow earth in China
中国的黄壤
热带、亚热带常湿润条件下,阴天多,积温少,湿度大,经中度富铝化,因为含水化氧化铁(针铁矿)的存在而具有鲜黄色或蜡黄色B层的土壤。
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vacuum tightness
vacuum tower
vacuum tower telescope
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