变啮合间隙型线
wrap profile with changing meshing clearance
变异啮合机制
mutation meshing mechanism
常啮合齿轮传动
constant mesh transmission
常啮合齿轮锁环
normally engaged gear lock ring
常啮合传动装置
constant rate period of drying
transmission
常啮合式变速器
constant mesh transmission
常啮合型动力换档变速箱
constant mesh type power shift transmission
齿轮啮合传递矩阵
gear mesh transfer matrix
齿轮啮合基本定律
fundamental law of gearing