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

• 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。
• 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
• 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 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。
• 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 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。
• 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；
• In this paper, a knife handle serves as an example showing its mould construction, working procedure and the NC programming process to cut the curved surfaces of the mould cavities by means of CAD/ CAM.
  本文以刀柄为例介绍了它的模具结构设计、加工方案，以及应用CAD／CAM技术解决刀柄模具型腔的曲面造型及数控加工编程的过程。
• 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。
• Light inductor helps Intellectual machine to check the paper, no paper no working and vice versa while it also can lessen knife abrasion and correct cutting.
  感应型设有光感检测纸张，有纸工作，减少刀片的磨损，也使裁切更准确。