Terms for subject Mechanics containing circle

English	Chinese
base circle	基圆
base circle diameter	基圆直径
bolt circle	螺栓分布圆
bolt circle diameter	螺栓圆直径
circumscribing circle diameter	外切圆直径
full circle slips	整圈卡瓦
great circle track	大圆轨迹
pitch circle	螺孔圆周
pitch circle diameter	节圆直径