half of thread angle

常見例句

雙語例句

• This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
  本文介紹一種測量石油螺紋量規(guī)的螺旋線、中徑、錐度和牙形半角的新方法及裝置。
返回 half of thread angle