| 1. | The train conductor punched our tickets . 乘务员用剪票夹在我们的车票上打孔(验票)。 |
| 2. | 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。 |
| 3. | I am using a puncher to punch the report and file it 我用打孔机把报告打孔后备案。 |
| 4. | Graphic technology - perforations for printing plates 图形技术.印刷平板打孔 |
| 5. | They cut holes on the sheet of metal with a punch press 他们用冲床在金属板上打孔。 |
| 6. | 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 |
| 7. | He made a small hole in the belt with a leather punch 他用打孔器在皮带上钻了一个孔。 |
| 8. | 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 |
| 9. | Dimensions for punched paper tape for information interchange 信息互换用打孔纸带的尺寸 |
| 10. | 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。 |