单项选择题
A.50〜80mg/LB.80〜100mg/LC.60〜100mg/LD.60〜80mg/L
A.5.8%B.5.9%C.6.0%D.6.1%
A.<90minB.≤90minC.≤95minD.<95min
A.<30℃B.≤35℃C.≤30℃D.<35℃
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