• This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.

    本文介绍一种测量石油螺纹量规螺旋线、中锥度牙形半角的方法装置

    youdao

  • The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.

    方法可测量螺纹锥度螺距、螺纹夹角螺纹高度,测量精度可以满足工业测量要求

    youdao

  • The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.

    方法可测量螺纹锥度螺距、螺纹夹角螺纹高度,测量精度可以满足工业测量要求

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定