题目内容
(请给出正确答案)
[单选题]
GB/T176-2008粉煤灰烧失量样品准备中采用四分法或缩分器将试样缩分至多少克,用筛孔为多少的方孔筛筛析?
A.100g和80μm
B.50g和45μm
C.100g和45μm
D.80g和80μm
答案
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A.100g和80μm
B.50g和45μm
C.100g和45μm
D.80g和80μm