Face gears

• 面齿轮

Face gears的用法和样例：

例句

1. This paper presents a new process of axial modification for carbonized gears, and investigates the current density distribution in gear teeth.
   叙述了硬齿面齿轮电化学齿端修形原理，对齿面上沿齿向的电流密度分布进行了分析。