1.
kelly for well-drilling machiens
旋转钻孔,钻井机用
2.
tap(ping) drill
螺丝孔钻，螺丝底孔钻
3.
The sorker was drilling.
此工人在用钻孔机钻孔。
4.
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
5.
A tool used for drilling.
钻头用于钻孔的工具
6.
Drilling is cutting a hole with a drill.
钻削就是用钻头钻一个孔。
7.
To make a hole in or through, with or as if with a drill.
钻，凿，开洞用或似用钻打洞或钻孔
8.
To make a hole with or as if with a drill.
钻孔用钻或类似钻的工具打洞
9.
Study on Drilling Tests of PCB Through-Hole Drilling
钻PCB通孔钻切削性能的钻削试验研究
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.
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
12.
boring method (of pulp sampling)
（纸浆取样）钻孔法
13.
Drilling 50 yards deep,
钻孔至50码深处，
14.
Using a drill, he bore a hole through the wood.
他用钻孔机在木头上钻了一个孔。
15.
A hole or passage made by or as if by use of a drill.
钻孔，打洞用或似用钻打孔或通道
16.
To make a hole in or through something with or as if with a drill.
钻孔，打洞用或似用钻打洞或穿孔
17.
He bored a hole through a board with a drill.
他用钻在板上钻了一个孔。
18.
Drill for drilling wall anchor holes.
用于打钻墙壁锚栓孔的电钻。