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90/1.5等于60元/吨 碎石之类的 定额编制都是按堆积密度算的
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12.253*90/(1.838*10)=60元
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90/1.838=48.96元/t理计
90/1.5=60元/吨
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12.253*90/18.38=60元/吨
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