富集层面中痕量金属大部分结合在相对稳定的地球化学相上，生物可给性较低。

Since the enriched metals were mainly bound to the relatively stable geochemical fractions, the bioavailability was generally low.

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富集层面中痕量金属大部分结合在相对稳定的地球化学相上，生物可给性较低。

Since the enriched metals were mainly bound to the relatively stable geochemical fractions, the bioavailability was generally low.

youdao