短语词组短语asphalt -concrete core wall 沥青混凝土防渗心墙asphalt concrete core -wall rockfill dam 沥青混凝土心墙堆石坝asphalt concrete anti -seepage core wall 沥青混凝土防渗心墙rolling asphalt concrete core -wall 碾压式沥青混凝土心墙 返回 asphalt-concrete core