现有500kg某药粉，要求制成粒重 0. 5kg 的水丸,其起模用粉量为（kg)A. 16. 67 B.0.625 C. 5 D. 18. 74 ...

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问题现有500kg某药粉，要求制成粒重 0. 5kg 的水丸,其起模用粉量为（kg)

选项 A. 16. 67 B.0.625 C. 5 D. 18. 74 E. 18.21

答案 B

解析

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