The incidence of fluorosis is correlative with the content of Fluoride, which comes from mother-rock and is related to petrogenic element in soil.
壤F与壤中造岩元素具显著正相关，主要来自于
质。
The incidence of fluorosis is correlative with the content of Fluoride, which comes from mother-rock and is related to petrogenic element in soil.
壤F与壤中造岩元素具显著正相关，主要来自于质。
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