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先按水泥石灰土的最大幹密度計算出1立方所需的水泥,比如其密度為2.3T/立方,則所需水泥=2300*0.04=92公斤,20CM厚,則每立方鋪5平方,則每平方需水泥:92/5=18.4公斤,18.4/50=0.37包.
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