deep and inclined hole drilling的意思|示意
美 / /
英 / /
深斜孔钻孔
deep and inclined hole drilling的网络常见释义
深斜孔成孔 ...; 深斜孔成孔; 深斜孔检测; 复合堆石坝 [gap=922]Key words: controllable filling grouting; deep and inclined hole drilling; check by deep and inclined hole; composite rockfill dam ..