helical gear shaft

例句：

1. 1. The helical gear shaftis crucial for the smooth operation of themachine.
   螺旋齿轮轴对于机器的平稳运行至关重要。
2. 2. The helical gear shaft wasdesigned to reduce friction and improve efficiency.
   螺旋齿轮轴的设计旨在减少摩擦并提高效率。
3. 3.The helical gear shaft is usedin many industrial applications to transmit power andcontrol motion.
   螺旋齿轮轴在许多工业应用中用于传递动力和控制运动。