The diameter of actual tangent circle is an important parameter for safety of boiler, the residual rotation is the key factor of flue gas temperature deviation at furnace exit.

实际切圆直径是锅炉稳定安全运行的一个重要参数，炉膛出口残余旋转是造成烟温偏差的主要原因。

youdao

General continuous annealing export should choose to die than actual need wire diameter 0.0015-0.0035 more appropriate.

一般连续退火出口模要选择比实际需要线径大0.0015—0.0035比较合适。

youdao

This article brings to Light the internal relations and difference between single pitch diameter and actual pitch diameter by means of geometrical analysis of several parameters of pitch diameter.

通过对普通螺纹中径诸参数的几何分析，揭示出其单一中径与实际中径的内在联系与区别。

youdao