桩号111222333444555666777888量筒中砂的体积25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml25ml摊砂直径(cm)215216185206207191205216202181195182187196215198191185196178190188210227平均值TD结论0.690.680.930.750.740.870.760.680.780.970.840.960.910.830.690.810.870.930.831.000.880.900.720.62
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