掏槽

[tāo cáo]

• underholing
• undercutting
• heavy cut
• initial cut
• kirve
• kerve
• channeling
• slotting
• gain
• punching
• notching
• notch
• cut
• undermine

参考释义

掏槽 [tāo cáo]

• -
• 短语
  掏槽洞 {采石} pool hole
  掏槽工 snubber
  掏槽落煤法 {采矿} holing; thirling
  掏槽（炮）眼 snubber; cuthole; {采矿} cut shot