Punching

例句:

• Each machine was operated by a clerk, who translated the message into telegraphic characters and prepared the transmitting tape by punching the necessary perforations therein. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Instead of punching Morse characters in the transmission tape however, it was perforated with a series of small round holes forming Roman letters. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• This punching of the cold metal without cutting, boring, drilling, hammering, or otherwise shaping the metal, was indeed a revelation. 威廉·亨利·杜利特. 世纪发明.
• The first machines worked all right for the inventor, but inexperienced operators obtained surprising results through punching the keys and jerking the crank. 佚名. 神奇的知识之书.
• The baths are made by punching a hole near the lower edge of a fruit can and inserting a cork and short piece of glass tube. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• I shall be very sorry to lose him next year, said Mr. Brooke, busily punching holes in the turf. 路易莎·梅·奥尔科特. 小妇人.
• Punching engines, in like manner, force holes through iron plates an inch thick. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.

弗雷达录入