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的孔隙率由细集料、填料、沥青和预定孔隙率填充。
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的孔隙率由细集料、填料、沥青和预定孔隙率填充。
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