Applied the inviolate-cycloid compound gear as the walking organization for shearer, systematically elaborated it which formed the principle and extracted the tooth profile equation.
应用渐开线-摆线复合齿轮作为采煤机的行走部，系统地阐述其形成原理及求出齿廓方程。
At the basis of distribution law of error formed by the processed pulley with various teeth and its effect on transmission, the scope of tooth of pulley processed is defined.
在研究滚刀加工不同齿数带轮所形成的误差分布规律及误差对带与轮啮合传动影响的基础上，确定了滚刀可加工的齿数范围与参数。
Most of the third molar embryo had been formed and their tooth crowns had been calcified, the occurrence ratio was 84 0 % in maxilla and 85 2 % in mandible.
上下颌第三磨牙牙胚绝大多数已形成且牙冠已钙化完成，其出现率为上颌84 0 % ，下颌85 2 % ；
应用推荐