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 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。
• The paper was carved using a carving knife instead of using scissors.
  这里的剪纸不是用剪刀剪出来的，而是用各种不同的刻刀。
• 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。
• 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 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, 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。
• 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 argues that how to compute the center position of the knife in the image obtained by CCD accurately is a key issue by introducing the principle of laser scanning system.
  通过介绍激光扫描测量原理，说明准确地从光刀图像中提取光刀中心位置是影响测量精度的关键因素。
• 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。