Remove the safety pins and drawing paper. You will see the outline of your drawing on the T-shirt.

把安全别针和绘图纸移走，你就会看到画的轮廓已经在T恤上了。

This system can realize the automation drawing respectively of thread standards and keys and pins.

该系统能实现螺纹联接件、键、销绘图自动化。