打孔

Available for 2 hours from the time shown by the punch mark on date of issue only.

仅以票面打孔日期上所示的2小时内为限。

They cut holes on the sheet of metal with a punch press.

例句1。他们用冲床在金属板上打孔。

A data medium in or on which data have never been recorded, e.g., paper that is unmarked; punch tape that has no holes.

一种数据介质，在其内或其上从未记录过数据。例如，未用过的纸，没有穿孔的打孔用纸带。

Chad: The small round pieces of paper waste produced during the production of punched paper tape and punch cards.

孔屑：纸带或咭在打孔时所产生的圆形纸屑。

Chad: The small round pieces of paper waste produced during the production of punch ed paper tape and punch cards.

孔屑：纸带或咭在打孔时所产生的圆形纸屑。

Keyboard paper tape punch and verifier ?

键盘纸带打孔和验孔器。。

Punch card: Card punched with a pattern of holes encoding data for storage and reading.

穿孔卡：依照固定模式打孔，作为代码，贮存和阅读资料的卡。

On 70 mm film, a small punched hole placed between every fifth perforation.

在70mm胶片上，使每五个齿孔之间有一个小的打孔。

The little solid round dots of paper made when paper tape is punched with information.

根据信息在纸带上打孔时，纸张上会出现小的固体圆点。

Lynette: No. I got a hole puncher.

没有，我有个打孔机。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。