Calculate dimensions and parameters like screw pitch, diameter of gear pitch circle etc. by given casting parts.
Calculate dimensions and parameters like screw pitch, diameter of gear pitch circle etc. by given casting parts.
根据给定的铸造零件进行测绘，运用已学过的基本知识，计算出有关尺寸，如螺距、孔中心距等的有关参数等。