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。
• 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。
• 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。
• 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。
• 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 puts forward that the knife library type automatically change tool device PMC data acquisition and network transmission system structure, and these hardware design, so as to realize the PMC data network transmission.
  论文提出刀库式自动换刀装置PMC数据采集与网络传输系统结构，并就此进行硬件设计，从而实现PMC数据的网络传输。
• 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。
• 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。