soil genesis

短语词组

短语

• soil genesis theory 土壤发生学说
• Soil Morphology and Genesis 土壤形态及成因
• soil genesis category 发生学类型
• soil genesis characteristic 土壤发生特性
• soil genesis and classification 土壤发生分类
• soil genesis classification 发生分类
• soil genesis characteristics 土壤发生学类型
• soil genesis and soil classification 土壤发生分类
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