我选择D°ÒF´5os
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°ÒF´5os
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增加沥青的用量的话,高温时泛油包。°ÒF´5os
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°ÒF´5os
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标号是沥青稠度°ÒF´5os
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°ÒF´5os
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矿料的颗粒整体调整偏向级配范围的下限,集料更细了,更不稳定啊,因为细集料多了,沥青用量就大了°ÒF´5os
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