1·Internal gear pump has two kinds of tooth profile namely: involute profile and cycloidal tooth profile.
内啮合齿轮泵有两种齿形即：渐开线齿形和摆线齿形。
2·A new type of arc cycloidal internal meshing rotary pump was studied.
对一种新型圆弧摆线内啮合转子泵进行了研究。
3·Cycloidal gear of four-rod mechanism is a species of novel combination mechanism.
摆线齿轮四杆机构是一类新颖的组合机构。
4·For cycloidal pin wheel speed reducers which are mainly used to transfer motions, the return error will be one of the factors influencing their use performance.
对于以传递运动为主的摆线针轮行星减速机，回程误差可能是影响其使用性能的因素之一。
5·Acceptable metal shaving contact rollers of cycloidal gears and involute gears in shape grinding have been manufactured with this method.
用该法已加工出了满足生产要求的摆线齿轮、硬齿面渐开线齿轮成形磨削砂轮金属修整滚轮。