1.
Rock drilling equipment--Hollow drill steels in bar form
GB/T1301-1994凿岩钎杆用中空钢
2.
Rope thread extension steel bars for rock drilling
GB/T6482-1994凿岩用波形螺纹连接钎杆
3.
Hollow hexagonal drill rods with tapered connection for rock drilling
GB/T6481-1994凿岩用锥形连接中空六角形钎杆
4.
Study and application of the drill noise control in the pneumatic rock driller
气动凿岩机钎杆的噪声控制研究与应用
5.
Carbide detachable bit for rock drilling
GB/T6480-1994凿岩用硬质合金钎头
6.
FEM Analysis on Warm Extrusion Concave Die of Drilling Bit Shell
凿岩钎头壳体温挤压凹模的有限元分析
7.
automatic rotation stopper
自动旋转伸缩式凿岩机
8.
bar rigged drifter
架式风钻,架式凿岩机
9.
a temple chiselled out of solid rock
在岩石中凿出的庙宇.
10.
auto feed drifter
自动推进架式凿岩机
11.
hand-held sinker
向下打眼的手持凿岩机
12.
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
13.
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
14.
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
15.
They drove a tunnel through the rock.
他们凿通一条穿过岩石的隧道.
16.
steps cut in the solid rock
在整块岩石上凿出的台阶
17.
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。
18.
Terminology of rock drilling machines and pneumatic tools
GB/T6247-1986凿岩机械与气动工具名词术语