1) back-drilling
反钻
2) mine shaft rising boring
反井钻井
1.
Research on rock breaking test with pick rolling cuter for mine shaft rising boring;
反井钻井镐形镶齿滚刀破岩试验研究
3) raise boring machine
反井钻机
1.
Large diameter raise boring machine and raise boring technology;
大直径反井钻机及反井钻进技术
2.
Design and implementation of electro-hydraulic proportional control system for raise boring machine;
反井钻机电液比例控制系统的设计与实现
3.
During applying raise boring machine in construction of hydropower industry,it met the problem of excessive solid rock which slows down the construction.
反井钻机在水电行业的施工应用中,遇到了岩石坚硬,施工进度较慢的问题,通过对镶齿滚刀破碎花岗岩粒的分形研究,找出镶齿滚刀破碎花岗岩的规律,为滚刀的设计开发提供理论指导。
4) raise-boring machine
反井钻机
1.
Accelerating tunnel construction by adopting raise-boring machine;
应用反井钻机 加快矿井建设
2.
Application of raise-boring machine in Xutuan Coal Mine;
反井钻机技术在许疃煤矿的应用
3.
Driving pilot shaft by raise-boring machine;
使用反井钻机掘进竖井和斜井的导井
5) raising boring
反井钻进
6) raising drill
反井钻机
1.
The function in construction and preventing deflection mechanism of the drilling tools stabilizer of raising drill or oil-drill are introduced.
介绍了反井钻机及石油钻机的钻具稳定器(装置)在钻机施工中的作用和防偏机理,以及稳定器的常规加工工艺,并推荐了一种新加工工艺方法。
2.
The different reasons for deflection in raising drill working and corresponding measures of preventing deflection are introduced.
介绍了反井钻机施工时产生偏斜的各种原因和相应的防偏措施,推荐了几种钻孔偏斜的测量和纠偏办法,并指出了反井施工防偏技术的发展方向。
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
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