soil horizon

短语词组

短语

• soil diagnostic horizon 土壤诊断层
• soil genetic horizon [土壤]土壤发生层;土壤发生学层次
• soil plough horizon 土壤耕层
• soil genetic horizon soil horizon 土壤发生层
• effecive soil horizon 土层
• soil and soil horizon 土壤和土壤层
• effective soil horizon 有效土层
• buried soil horizon [土壤]埋藏土层
• symbol of soil horizon 土壤层位标示记号
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