1ng/L等于多少ug/L

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1ng/L等于多少ug/L

1ng/L等于多少ug/L
1ng/L等于多少ug/L

1ng/L等于多少ug/L
1ng/L(纳克/升)=0.001μg/L (微克/升)

lng/L=0.001ug/L 1ug/L=0.001mg/L