1)  vertical drilling
垂孔
1.
A milisecond blasting method of combining the upper vertical drilling with lower horizontal drilling is successfully carried out by strictly controlling the blasting parameters and charge amount,the structures and staff are protected.
采用上部垂孔与下部平孔结合的微差爆破法,通过严格控制爆破参数及装药量,成功地控制了爆破飞石。
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)  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
4)  ultra deep bore
特深倒垂孔
5)  Drilling of upside down vertical hole
倒垂孔钻进
补充资料:垂直孔道
分子式:
CAS号:

性质:又称实验孔道(experimental channel)。反应堆辐照孔道的一种。供进行实验研究用,通过它将各种实验样品放入堆内,由堆芯产生的中子或γ射线对其进行辐照。垂直孔道有干孔道和湿孔道,多用于堆内样品照射。详细用途见水平孔道。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。