试题与答案

块石灰吸湿力强,吸湿率为()%。A.5%~20% B.25%~30% C.35%~4

题型:单项选择题

题目:

块石灰吸湿力强,吸湿率为()%。

A.5%~20%

B.25%~30%

C.35%~40%

D.45%~50%

答案:

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