1.
automatic rotation stopper
自动旋转伸缩式凿岩机
2.
bar rigged drifter
架式风钻，架式凿岩机
3.
auto feed drifter
自动推进架式凿岩机
4.
hand-held sinker
向下打眼的手持凿岩机
5.
Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine
张新矿新风井坚硬岩石凿岩爆破技术
6.
Optimization of drilling and blasting parameter of fracture rock
破碎矿岩凿岩爆破参数优化方法探讨
7.
A machine that bores through hard surfaces, used especially for tunneling through rock.
凿岩机一种钻孔于坚硬表面的机器，尤用作凿穿岩石的隧道
8.
We rushed back to the place I had chipped the rock.
我们赶紧回到我凿岩石的那个地方。
9.
Terminology of rock drilling machines and pneumatic tools
GB/T6247-1986凿岩机械与气动工具名词术语
10.
Rock drilling equipment--Hollow drill steels in bar form
GB/T1301-1994凿岩钎杆用中空钢
11.
Rope thread extension steel bars for rock drilling
GB/T6482-1994凿岩用波形螺纹连接钎杆
12.
air feed stoper
压风推进的伸缩式凿岩机
13.
the infernal racket of the jackhammers.
手提凿岩机的令人厌恶的轰隆声
14.
Carbide detachable bit for rock drilling
GB/T6480-1994凿岩用硬质合金钎头
15.
drill ,interchangeable, of base metal, for rock drilling or earth boring
凿岩或钻土用钻头,贱金属制,可互换式
16.
Simulation Research in Dynamic Process of Valveless Hydraulic Drill;
无阀液压凿岩机动态过程的仿真研究
17.
Optimization of drilling and blasting parameters based on back-propagation neural network
基于BP神经网络的凿岩爆破参数优选
18.
Study on drilling quality of samba 261 drill for VCR stope in Tonglvshan
铜绿山VCR法采场Simba261钻机凿岩质量研究