“environmental geochemical grade of irrigation water”的概念、定义、翻译、参考文献-科学参考

单词	environmental geochemical grade of irrigation water
释义	environmental geochemical grade of irrigation water Encyclopedia 理学多目标地球化学调查释 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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