单项选择题
粉煤灰细度试验要求天平量程及最小分度值不大于()。
A.100g,0.1g
B.100g,0.01g
C.500g,0.1g
D.50g,0.01g
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单项选择题
A.100g,0.1g
B.100g,0.01g
C.500g,0.1g
D.50g,0.01g
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