fluoride number
... 三氟化物 trifluoride 氟化物值 FN fluoride number ; fluoride number 氟化物污染 fluoridepollution ...
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目的：测定南澳县水源水中氟化物的背景值及其它相关水质指标。
Objective: To measure the background fluoride and related water quality indices in water source of Nan 'ao County.
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