It is the root circle of the external spline or the inside circle (tooth tip circle) of the internal spline.
它是外花键的齿根圆，和内花键的内圆(齿顶圆)。
It is the outside circle (tooth tip circle) of the external spline or the root circle of the internal spline.
它是外花键的外圆(齿顶圆)，和内花键的齿根圆。
Full radius hob on tooth tip is one of the effective measures by increasing gear tooth bending strength.
应用齿顶整圆弧滚刀是提高齿轮弯曲疲劳强度的有效措施之一。
This circle along with the tooth tip circle (or start of chamfer circle) determines the limits of tooth profile requiring control.
渐开线终止圆与齿顶圆（或者修缘线的起点所在的圆）共同限制了所要求控制的渐开线齿廓的范围。
This paper concludes the designing of the external tooth shaping cutter for tooth tip relief as a double-aimed optimization problem and proposes a mathematic model of optimum design.
把修缘角外插齿刀的设计归结为一个双目标的优化问题，建立了优化设计的数学模型。
The algorithm and formulas to determine the size of tip relief modification of pre shaving gear hobs are put forward. A principle to determine the lead width of tooth roots is also presented.
给出了剃前齿轮滚刀修缘尺寸的计算方法和计算公式，并对滚刀齿根的齿间槽宽提出了更为合理的判断原则。
All we have is the tip of the upper jaws -bones called the premaxillae, and a broken tooth preserved in one socket, "said Dr Martill."
我们拥有的是上颌的尖端，这是一种叫做前颌骨的骨头；还有一个保藏在牙槽里的、破碎的牙齿。
Abstract: Objective: to explore the influence on micro leakage from root tip and tooth root's bending strength by different combinations of root canal preparation and filling technology.
摘要【摘要】目的探讨几种根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响。
Abstract: Objective: to explore the influence on micro leakage from root tip and tooth root's bending strength by different combinations of root canal preparation and filling technology.
摘要【摘要】目的探讨几种根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响。
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