两对齿啮合时间= 2( - 1 )/ 100% = 57.14 %
单对齿啮合时间= 1 - 单对齿轮啮合时间 = 1 - 57.14% = 42.86%
或者单对齿啮合时间 = (2 - )/ 100% = 42.86%