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[单选题]
干砂500g,其筛分结果如下:筛孔尺寸(mm)5.02.51.250.630.3150.16<0.16筛余量(g22.552.5102.5122.5102.572.525.0求累计筛余百分率(%)。累计筛余百分率(%)A5为()
A.15
B.35.5
C.60
D.80.5
查看答案
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A.15
B.35.5
C.60
D.80.5
A.35.5
B.95
C.60
D.80.5
A.15
B.35.5
C.60
D.80.5
A.15
B.35.5
C.60
D.80.5
A.14.5
B.10.5
C.20.5
D.24.5
A.4.5
B.10.5
C.20.5
D.24.5
A.4.5
B.10.5
C.20.5
D.24.5