螺距

• The design and application of the pitch calibration device for the screw machining lathe
  精密丝杠螺距校正装置的设计与使用
• Pitch control system of controllable pitch propeller based on single - chip microcomputer
  基于单片机技术的调距桨螺距控制系统
• Research on theory and model about design and manufacture of constant ditch cutter
  关于等螺距铣刀设计制造原理及相关模型研究
• Screw thread pitch gage
  螺钉螺距规
• Pitch angle indicator
  螺距角指示器
• Blade ustment mechanism
  调螺距机构
• Axially varying pitch
  轴向变螺距
• Design method for controllable pitch propellers by employing methodical series test diagrams
  可调螺距螺旋桨桨叶图谱设计计算方法
• After taxi out , begin ascent by gradually increasing power / collective
  执行完"水平滑行"后，逐渐地增加油门/螺距，使机体开始上升。
• Virtual pitch ratio
  实效螺距比