一次性使用无菌注射器其铅锌锡铁的总量应是A. ≤10ug/g B. ≤5ug/ml C. ≤1.0ug/ml D. ≤0.5ug/ml E. ≤0.1ug/ml

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问题 一次性使用无菌注射器其铅锌锡铁的总量应是

选项 A. ≤10ug/g
B. ≤5ug/ml
C. ≤1.0ug/ml
D. ≤0.5ug/ml
E. ≤0.1ug/ml

答案B

解析
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