screw pitch

• n. 螺距

例句

用作名词 (n.)

1. The horizontal anger has a variable pitch.
   横向搅龙具有可变的螺距。
2. When the helicopter is inverted, add enough negative pitch to support the helicopter, and remove the Aft cyclic control.
   当直升机到达最高点成为倒飞姿态时，增加负螺距使直升机的高度不会下降，将升降舵回到中立点。