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【简答题】
某工地砂样经筛分试验,结果如下表,试 完成下表并 计算其细度模数。 方孔筛筛孔边长( mm ) 筛余量( g ) 分计筛余百分率(%) 累计筛余百分率(%) 4.75 20 2.36 25 1.18 85 0.6 0 115 0.3 0 130 0.15 100 筛底 25
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举一反三
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A.
must
B.
would
C.
should
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A.
Do you see
B.
Had you seen
C.
Would you see
D.
Have you seen
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