helical surface

常见例句

双语例句

• This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.
  分析螺旋面斜向扭转振动传动的原理和螺旋面上物料运动的规律。
• The technique and the approach can effectively aid the designing and choosing of cylinder helical surface machining tools for co-rotating twin-screw.
  该方法和技术可以有效的支持同向双螺杆圆柱螺旋面的加工刀具的优选。
• The contacting line equations between the ball or tooth of the planet gear and the stator helical surface and the ones between that ball and the rotor worm are also given.
  以上述工作为基础，进而导出了行星轮轮齿滚珠与定子螺旋面及转子蜗杆之间的接触线上诱导法曲率以及接触线与相对速度之间夹角计算公式。

权威例句

• Inside the circle, given away by its small helical pattern, is a smear of dna dried onto its surface.
  FORBES: Do-It-Yourself Life
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