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- base circle diameter 基圆直径
- base circle diameter (BCD) 基圆直径
- Tower shelf bottom corcumscribed circle diameter 60, our country most high the whole steel construction broadcasting television tower at present. 塔架底部外接圆直径为60米，是目前我国最高的全钢结构广播电视塔。
- This paper designs a measuring instrument which can measure addendum circle and dedendum circle diameter of odd-tooth gears and can define all main parameters of gears. 设计了一种测量工具,用以测量奇数齿齿轮的齿顶圆和齿根圆直径,以便确定齿轮的主要参数。
- In accordance with the characters of end section involute of helicoids,it is analyzed of change of the base circle affecting the pressure angle of involute profile. 依据渐开螺旋面端面渐开线的性质，分析了渐开线基圆变化对渐开线齿形压力角影响。
- Abstract: This paper designs a measuring instrument wh ich can measure addendum circle and dedendum circle diameter of odd_tooth gear s and can define all main parameters of gears. 文摘:设计了一种测量工具，用以测量奇数齿齿轮的齿顶圆和齿根圆直径，以便确定齿轮的主要参数。
- For the holes measurements, this method randomly finds four right triangles from the four quadrants in a circle, and then computes the circle diameter using the Pythagorean theorem. 而在圆孔的量测上，以随机方式求得分布于圆孔四个象限的四组直角三角形，利用毕氏定理求出其圆孔之直径尺寸。
- This paper points at that the resultant braking force point of drum brake is on the base circle and finds the relation between the structural parameters of shoe block and moment of force. 该文阐明制动力的合力点在基本圆上，并找出蹄块结构参数与制动力矩之间的关系。
- Abstract: This paper points at that the resultant braking force point of drum brake is on the base circle and finds the relation between the structural parameters of shoe block and moment of force. 文摘:该文阐明制动力的合力点在基本圆上，并找出蹄块结构参数与制动力矩之间的关系。
- Actual hobbing pitch circle diameter 实际滚切节圆直径
- addendum circle diameter of workpiece 工件顶圆直径
- Base circle of involute helicoid worm 渐开线蜗杆基圆
- sheared circle diameter covering a tube bundle 管束包切圆直径
- the windage of base circle section 基节偏差
- the smallest radius of base circle 最小基圆半径
- Measuring circle diameter with image sensor and computer 应用图像传感器和计算机测量干涉圆环的直径
- The measuring and calculation of addendum circle diameter of gear 齿轮齿顶圆直径的测量与计算
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
