1.
To use a punch or use a punch on.
使用打孔器或用打孔器在…上打孔
2.
boring machine for making drill holes in rock or coa
在岩石或煤上打孔用打孔机
3.
Perforator: Key board which produces prunched paper tape.
打孔机:把纸带打孔的键盘。
4.
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
5.
Register punch: Precision punching device used in a punch register system.
定位打孔机:应用于打孔定位系统内的精密打孔机。
6.
To make a hole in (a hard material) with a drill
用钻头在(硬材料)上打孔.
7.
To check the results of keypunching.
检查击键打孔的结果。
8.
Telegraph cable paper for punching
GB/T7972-1987打孔电报纸
9.
ectrospark perforating electrode tube
高速电火花打孔电极管
10.
drift ,riveters', of base metal
铆工用打孔器,贱金属制
11.
He makes a small hole in the belt with a leather punch.
他用打孔器在皮带上钻了一个孔。
12.
He make a small hole In the belt with a leather punch
他用打孔器在皮带上钻了一个孔
13.
A tapered steel pin for enlarging and aligning holes
打孔器用来扩大或调整孔洞的尖钢针
14.
To make a hole or opening in;perforate.
穿孔于，打眼于在…里做一个洞或口子，打孔于
15.
Perforatig rules: Steel rules which has a series of cuts for perforating sheet of paper.
打孔线:有着一串切口，用来在纸上打孔的钢线。
16.
To pierce or stamp with rows of holes, as those between postage stamps, to allow easy separation.
打或印一排孔，如在邮票上打孔使之易被撕开
17.
Punching is done with a special punch-register device.
打孔是用一种专用的打孔定位装置进行的。
18.
I used a3- hole punch to punch some papers.
我用了一个打孔器在一些报告上打洞。