paper knife

英 [ˈpeɪpə(r) naɪf]

美 [ˈpeɪpər naɪf]

n.  裁纸刀

柯林斯词典

• 裁纸刀
  Apaper knifeis a tool shaped like a knife, which is used for opening envelopes.

英英释义

noun

• dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books
  Synonym:letter openerpaperknife

双语例句

• A device for trimming paper to desired dimensions, typically a ruled board with a long pivoted cutting knife attached to one side.
  裁纸刀，切纸机：一种把纸张裁剪到所需尺寸的器具，通常有一个一旁装有一把有转轴的长裁剪刀的直边。
• Solution: First, we must choose different types of paper cutting knife.
  解决方法：首先要根据纸张选用不同类型的模切刀。
• For grinding imported Kolbus, days Herrenberg, Su ratio, tombola, Shi Feng paper that Germany steel scraper blade, cut board machine knives, paper machine with a knife.
  适用磨削进口柯尔布斯、天伦贝格、苏比、波拿、施那德刀片造纸锋钢刮刀、截板机刀、纸张机用刀。
• This paper presents two changing-size techniques of common knife mould based on reference point and on dividing a half-plane board into three parts, left, middle and right. The two methods have been implemented in the computer.
  提出基于参考点和基于将半面板分成左、中、右三部分的2种共刀模放码方法，并在计算机上实现。
• The blade of the paper knife of the utility model is convenient to change.
  本实用新型的割纸刀可方便地更换刀片。
• In this paper, the parameters of the cylinder-type forage cutterhead with straight knife edge is analysed, the mathematical formulas concerned have been derived. The cutterhead ZC-1.0 is discussed as an example.
  本文对直刀刃滚刀式饲草切碎器的参数进行了分析，推导出了有关数学式，以ZC-1.0型切碎器为例作出了评论；
• This paper introduces two methods of nondestructive testing mechanism for controlling strip shear knife quality in spiral welded pipe.
  简述了控制螺旋焊管钢带剪刃质量的两种无损探伤方法的探伤机理。
• Don't you remember we once ate potted shrimps with a paper knife?
  你还记得我们有一次曾用一把裁纸刀吃罐装的小虾吗？
• This paper describes the basic principle of a high-frequency electric knife, its safe guarantee system, its different burns in clinic and preventable emoluments.
  本文阐述了高频电刀的基本原理、安全保障体系及临床常见的电刀灼伤种类和预防措施。
• This paper discusses the necessity of setting up the high frequency electrical knife safety system and its functions of the output frequency control, the time control and the self-test.
  本文介绍建立高频电刀安全保障系统的必要性，以及该系统应具有的输出频率检测，时间检测和自检等功能。