The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content.
其基本原理为：矿料级配中粗集料形成
由细集料、填料、沥青和预定填充。
,事先计划The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content.
其基本原理为：矿料级配中粗集料形成由细集料、填料、沥青和预定填充。
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