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灌溉水环境地球化学等级
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灌溉水环境地球化学等级
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理学
多目标地球化学调查
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environmental geochemical grade of irrigation water
灌溉水环境地球化学等级
依据灌溉水中氯化物、硫化物、氟化物、总砷、总汞、镉、铬(六价)等指标的含量水平及灌溉水水质标准而划分出的环境地球化学等级。
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