1) wedge slot
楔形槽
3) vertical oblique cut
竖楔形掏槽
4) double wedge cut
双楔形掏槽
1.
The results of studies show that it is feasible that the development opening was excavated at the foot wall, and a well blasting effect can been achieved by using the double wedge cut.
通过理论分析及实践验证,作者提出将原来的在底板中的开拓巷道改到顶板中是切实可行的;在白云岩中采用双楔形掏槽眼布置方式,能取得良好的爆破效果。
5) lewis hole
燕尾槽，楔形槽
6) wedge
[英][wedʒ] [美][wɛdʒ]
楔[形];楔形物，槽楔;楔进;斜楔
补充资料：鳞石英楔形双晶
鳞石英楔形双晶
鳞石英楔形双晶
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条