c30 水泥 170 YÃ
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黄砂 415 YÃ
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机制砂 415 YÃ
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碎石 940 YÃ
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矿粉 80 YÃ
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粉煤灰 80 YÃ
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水 130 YÃ
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减水剂 3.2 YÃ
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总计: 2230 有这么小的容重吗?YÃ
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