The principle part of the dam which plays a supporting role is made of moraines and gravel and its middle position setting asphalt concrete core-wall plays an anti-seepage role.
大坝主体由堆石坝或砾石组成，起支撑作用，中间设置沥青混凝土心墙起防渗作用。
The principle part of the dam which plays a supporting role is made of moraines and gravel and its middle position setting asphalt concrete core-wall plays an anti-seepage role.
大坝主体由堆石坝或砾石组成，起支撑作用，中间设置沥青混凝土心墙起防渗作用。
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