掏槽的英文

[矿物学] cutting [采矿工程] undermine; underholing

• 掏:    take out; fish out ...
• 槽:    trough; manger
• 大掏槽:    bossing

例句与用法

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1. During recent years the seam cut has once again come into use .
   近几年来，又再度使用了裂缝掏槽。
2. If the charge used is too large, the rock can become sintered so that the cut used is a failure .
   如装药量太大，岩石就会挤死，使掏槽失败。
3. The norwegian cut can provide more dependable advance per round than the plough cut .
   挪威掏槽与楔形掏槽相比，可以提供更可靠的每次爆破的进度。
4. The loosening holes outside the plough cut are also drilled at an angle which improves the breakage possibility .
   在楔形掏槽眼外侧的扩槽眼也要有角度以改善爆破效果。
5. Researches on blasting parameters of triangle burn cut
   三角柱直眼掏槽爆破参数研究