CAD小程序：批量将直线转化为多段线，首尾相接的将会被合并为一条多段线。-CAD applet: volume will be a straight line into a multi-segment line, both the phase will be more than one paragraph into lines.

CAD小程序：根据设定的角度，批量自动调整直线和多段线起始方向。-CAD applet: According to set the angle of a straight line and the volume automatically adjusts the initial direction of multi-segment line.