除另有规定外,水丸中水分含量不得超过A.6% B.9% C.12% D.15% E.18%

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问题 除另有规定外,水丸中水分含量不得超过

选项 A.6%
B.9%
C.12%
D.15%
E.18%

答案B

解析
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