【物理】刻纹头，机械录音头

介绍一种新型锥螺纹切头的结构及工作原理，井对复合螺纹梳刀的装夹和设计要点作了说明。

facetting (cutting with facets, bevelling), grinding edges

single point tool【机】;single-point cutting tool【机】

writing pen ；manufacture by non-cutting metal working

diameter limit selection cutting, extensive selection cutting

machine for cutting strips spirally from discs of leather

cutting-off piles, sheet pile bulkheads, mould-pipes, moulds under water

cutting-out (cutting-off)

coal cutting by using rope-suspended cutters