掏槽 meaning in Chinese
[矿物学] cutting [采矿工程] undermine; underholing
Examples
- 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。 - 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。 - 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。 - 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。 - Researches on blasting parameters of triangle burn cut
三角柱直眼掏槽爆破参数研究