The extension line type intersection is a special intersection for highways in mountainous areas.

展线型立交是山区道路中的特种立交。

Dimension line with label that automatically changes to match length. Text position and extension lines are adjustable.

带自动匹配长度的标签的尺寸线。文本位置和延长线是可调整的。

An extension line with a certain distance to the steel bar discharge hole is provided with a contact travel switch. A wire is connected between the travel switch and a clutch electromagnet.

在距离钢筋出料口一定距离的延长线上设有一个接触式行程开关，行程开关与离合器电磁铁之间连接有导线。

After the subroutine parameter is given the origin number, the plotter controlled by computer can draw out automatically extension line, dimension line, arrowhead and write dimension figures.

当给子程序的参数赋以初值后，由计算机控制自动绘图机绘制出尺寸界线、尺寸线、箭头和注写尺寸数字。

The first line loads the extension.

第一行代码装载这个扩展。