shaft sinking

英 美
  • 凿井
  • shabbily adv.衣衫褴褛地;不体面地;卑鄙地
  • shabbiness n.衣衫褴褛的样子;不体面;卑鄙
  • shabby adj.破旧的;寒酸的;低劣的,无耻的;卑劣的
  • shabby inn n:鸡毛店
  • shable
    1. The mine shaft sinking with a mine shaft drilling is a reliable mine shaft construction method to pass through a deep and thick alluvium.
      钻井法凿井是通过深厚冲积层最可靠的竖井施工方法。

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