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

• In this paper, the developing process, on hydraulic copying knife edge grinder was expounded.
  本文阐述了液压仿形刃口磨床研制的全过程，针对原有设备存在的缺陷，提出设计改装方案，进而付诸实施、取得结果。
• 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。
• Objective: The paper puts forward the proposals for ensuring quality of the Leksell Gamma Knife ( LGK) stereotactic radiosurgery ( SRS) by measuring and analyzing the errors of LGK in singular process.
  目的：本文通过测量和分析伽玛刀立体定向放射外科过程中靶点位置误差，提出保证伽玛刀治疗质量的建议。
• 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 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 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。
• Which is foundation of the later work in this paper. Secondly, based on previous studies, this paper focuses on planning issues and calculation of cylindrical cutter knife.
  其次，在以往的研究基础上，本文针对圆柱刀的刀位规划问题进行了重点研究和计算。
• In this paper, die design for cut tongue bending part with double inclined plane and knife mouth are introduced, for cut tongue bending part with single plane.
  在分析影响某折弯模具产品质量的主要原因基础上，针对折弯模具刀口斜面的磨削关键工序进行了专用磨床夹具设计。
• Wei County Paper-cut is produced under the processions of hand-made patterns, braising the paper, knife cutting and coloring etc.
  蔚县剪纸制作经手工熏样、焖纸、刀刻、染色等数道工序而成。
• The paper introduces the troubles of the medical electric knife because of abnormal usage, their solutions and attentions.
  医用高频电刀因操作使用不当引起故障及使用注意事项。