齿顶圆 [机] addendum circle ; tip circle ; External circle ; Outside circle

齿顶圆直径 tip diameter ; outside diameter ; Addendum circle diameter ; da

齿顶圆半径 Outside radius ; tip radius ; radius of addendum

齿顶圆角半径 Tip radius ; [机] radius at tooth tip

齿顶圆柱面 [机] tip cylinder

齿顶圆锥母线 Face cone element

外端齿顶圆 crown circle

节圆齿顶高 working addendum

圆弧顶面齿 knuckle-tooth