taper fit

The author explores the weak points of the API standard threads on drilling tools used in the field, and presents accordingly some measures for improvement that is, to modify the root form and the taper fit of the threads.

指出了现场使用的标准API钻具螺纹所存在的缺点，并针对这些缺点提出了相应的改进措施，即改进螺纹牙底形状和改变螺纹锥度配合。

When changing and processing spiral shell's bevel gear, it is necessary to use evolute internal spline tooth shape locating taper spindle for backing processing, so as to meet different spindle precision requirements of evolute internal spline reference circle, bearing fit circle and gear pitch circle.

螺伞齿轮更换加工过程中，需使用渐开线内花键齿形定位锥度芯轴支承加工，才能达到渐开线内花键分度圆与轴承配合圆及齿轮节圆同轴精度要求。

This study was conducted to search the law of the parameters of medullary canal section shape in proximal femur. The methods of image processing and taper curve fit mathematics were adopted in the acquisition of data and parameters.

为研究股骨上段髓腔截面几何形态的统计规律，以计算机图像处理的方法对股骨上段髓腔截面形态进行自动提取，并提出圆锥曲线拟合的参数化数学方法。

You'll have to taper it to make it fit.

你得把它削尖才适合。

Due to the taper end piece , the muffler isn't able to fit over header enough.

由于结合处呈锥形, 所以消音器不能够完全的将头部覆盖.