A tool used for drilling.
钻头用于钻孔的工具
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
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
dowelling in the length, of coniferous wood
针叶树木板,经纵钻孔的
The noise of the drilling is intolerable.
钻孔的噪音让人受不了。
The machine used for drilling is called a drill press.
用于钻孔的机器叫做“钻床”。
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
To make a hole with or as if with a drill.
钻孔用钻或类似钻的工具打洞
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
guide twist drill
有导径的深孔麻花钻
counterbore with guide
有导柱的平底扩充孔钻
A whiff of cigarette smoke struck his nostrils.
一缕香烟钻进他的鼻孔。
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。
A tapered, serrated tool used to shape or enlarge a hole.
手钻用来钻孔，或扩大孔的尖细带齿的工具
On application of DTH drill in drilling pile construction in karst developing areas
潜孔钻在岩溶发育地区钻孔桩施工中的应用
Drill for drilling wall anchor holes.
用于打钻墙壁锚栓孔的电钻。
Most drilling in metal is done with a twist drill.
大多数金属钻孔用的是麻花钻头。
A twist drill is designed to drill a hole which has a particular size.
麻花钻用来钻削具有一定尺寸的孔。