| 释义 |
geometrical pitch geometrical pitch[¦jē·ə¦me·trə·kəl ′pich] (aerospace engineering) The distance a component of an airplane propeller would move forward in one complete turn of the propeller if the path it was moving along was a helix that had an angle equal to an angle between a plane perpendicular to the axis of the propeller and the chord of the component. |