1.
Study on Control System of Double Heads Half Hole Drilling Machine Based on PLC and Touch Screen
基于PLC和触摸屏的双头盲孔钻机控制系统设计
2.
Using a drill, he bore a hole through the wood.
他用钻孔机在木头上钻了一个孔。
3.
double end cut-off and boring machine
双端横切及主钻孔机
4.
the round part of the bit by which it is held in the drill.
钻头上的控制钻孔机的圆形部分。
5.
Design of a Special Horizontal Twin Spindles CNC Drilling Machine;
一种卧式双主轴数控钻孔专机的设计
6.
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
7.
The sorker was drilling.
此工人在用钻孔机钻孔。
8.
The design and application of mechanical cast-in place pile construction aiquille and pile casting
机械钻孔灌注桩施工钻头及护筒的设计与应用
9.
A tool used for drilling.
钻头用于钻孔的工具
10.
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具
11.
kelly for well-drilling machiens
旋转钻孔,钻井机用
12.
Drilling is cutting a hole with a drill.
钻削就是用钻头钻一个孔。
13.
An experimental study of drilling small and deep blind holes with an abrasive water jet
磨料水射流钻削深小盲孔的试验研究
14.
The Pore-forming Mechanism Study of Cam Bit on Percussive-Rotary Extruding DTH Drilling
凸轮型冲击回转挤压钻头成孔机理的研究
15.
The max. depth of drilling is about 50 times of drill tools dia and have to see material for drill specially size.
本机种钻孔深度以钻头直径50倍为标准,特殊规格需视加工材质定.
16.
Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;
潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
17.
A needle-shaped drill for boring holes in rock or masonry.
钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
18.
Many of the stones have holes drilled through them.
许多石头钱都钻有孔。