leading screw的用法和樣例：
例句
- A feed screw extends from the base to the knee.
進給絲杠從底座伸向升降台。 - The ball screw of evry axis is of high precision and is preloaded,sothe movement of the three axis is high in stability.
各軸絲杠為精密滾珠絲杠副，且經過了預緊，雕刻運動平穩剛性好。 - These drives can now drive virtually any lead screw.
現今這些驅動已能驅動任何導螺桿。
