1) lower entourage of the diagonal
下楔形集
2) Falling Wedge
下降楔形
3) deep wedge formation
超密集楔形队形
4) upper and lower wedge-shaped undercut
上下楔形大掏槽
1.
The large upper and lower wedge-shaped undercut holes arrangement in the centre of the heading face is recommended based on the comparison and analysis of different undercut holes arrangements in excavation of the Xiganchi water conveyance tunnel located in weak and soft surrounding rocks using smooth blasting technology.
分析光面爆破技术在西甘池输水隧洞软弱围岩开挖中的掏槽孔方案比较,采用在掌子面中心布置上下楔形大掏槽的方案。
5) wedge set
楔集
6) wedged excision of the palpebral margin
下睑缘楔形切除术
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