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。
• An Improved Electric Control Program of a Receiving Paper Platform of a Double Knife Cutter
  双刀切纸机接纸台电气控制的改进
• Conclusion This paper realizes the quantitative detection of ultrasonic knife frequency without related national standard and industrial standard.
  结论：在目前国内无国家标准和行业标准对超声刀驱动频率检测前提下，实现了超声刀频率的定量检测。
• 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。
• 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；
• While we sluice, the manager played with a carved paper knife.
  我们讲话时，经理漫不经心地摆弄着一把雕花裁纸小刀。
• The paper knife with infrared display has the advantages that the position of the paper knife is displayed, so files or photos can not be cut slantways in cutting.
  本实用新型一种带红外线显示的切纸刀的有益效果是显示切刀的位置，在切裁时不会将文件或照片切斜。
• 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 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。