dam-foundation seepage is mainly of grike seepage, and there is little cave like a string of beads in the local area, suggesting that it is necessary to carry out grouting gallery.
坝基渗
以岩溶裂隙性渗
，局部有串珠状小容洞渗，建议进行防渗帷
处理是必要的。
dam-foundation seepage is mainly of grike seepage, and there is little cave like a string of beads in the local area, suggesting that it is necessary to carry out grouting gallery.
坝基渗以岩溶裂隙性渗，局部有串珠状小容洞渗，建议进行防渗帷处理是必要的。
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