pitch speed

英 美
  • 节距速度
  • pitch n.球场;程度;音调;推销;投掷;街头商贩摊位;沥青;树脂;松脂v.投;颠簸;搭帐篷;定调;推销;用沥青覆盖
  • speed n.速度;迅速v.加速;急行
    1. Convolutions frequently alternate in direction of rotation and vary in pitch.
      盘旋经常改变回转方向和节距。
    2. The straightening effect of straightener can be improved along with the change of pitch.
      采用改变节距的方法,提高矫直机的矫直质量。