The gear teeth and meshing line are distorted in the meshing process as a result of wearing and rise in temperature. 实际应用中，由于磨损和受热等原因，使得齿轮齿廓以及啮合过程中啮合线都发生了畸变。
It explained the applications of the functionary line increment means by the connection of the gear geometry eccentricity and the joggle line increment. 用齿轮几何偏心与啮合线增量关系的分析实例说明了作用线增量法的应用。
