1) vertical hole
正垂孔
1.
The vertical hole drilling method of using pre-embedded double layer PVC corrugated pipes and a laser collimator for hole positioning has been adopted after comparison with the traditional methods of drilling vertical holes in a concrete dam and summing up of the experience based on the actual condition of Jufudu Hydropower Project.
针对居甫渡电站的实际情况,通过对传统混凝土坝正垂孔成孔方式的对比和总结,决定采用预埋双层PVC波纹管和激光垂准仪定位的正垂孔成孔方法。
2) overturned hole
导垂孔
1.
Preparation of electroplated diamond core bit and its application in drilling overturned hole in the Three-Gorges project;
三峡永久船闸导垂孔施工用电镀金刚石钻头的研制
3) Vertical long hole
垂直深孔
4) reversed pendulum hole
倒垂孔
1.
Construction and control of bimetal mark reversed pendulum holes;
双标倒垂孔的施工与控制
5) inverted vertical line hole
倒垂线孔
1.
Construction of the inverted vertical line hole in the Yantan hydropoer station;
岩滩水电站倒垂线孔施工
6) vertical via
垂直通孔
1.
Considering the vertical via assignment in the placement phase is another contribution.
采用层次式方法,分而治之,减小了电路的设计规模,非常适用于大规模的混合模式布局,并且在布局阶段结合了垂直通孔的分配问题。
补充资料：欹垂
1.倾斜下垂。
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