另外，还对斜轧过程中容易出现牙型尺寸不足的原因进行了分析。
The reasons for the shortage of screw thread after skew rolling were discussed.
他在学校掉的牙，那颗牙齿被小心地保存在一个牙型小塑料盒里，盒子穿在一根绳上。
It had fallen out at school and was carefully placed in a plastic tooth shaped container on a string.
为了得到完整的螺纹牙型数据，建立了计算机控制的纵向工作台，可以实现对螺纹投影的逐行扫描。
In order to obtain the 2-D projection data, a longitudinal traveling workbench controlled by computer is set up to realize line by line scan.
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