第1个回答 2018-11-26
用CAD软件延长一直线步骤如下:
1、首先我们用CAD软件绘制1 2 3三条线作为示例来展示;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7acb0a46f21fbe096a34c15c66600c338744ad0b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、之后我们选择cad右侧工具栏的延伸图标;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/64380cd7912397dd869e9a4c5482b2b7d1a28796?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、之后cad提示我们选择对像,此时的对象并不是延伸的对象,而是要延伸到的对象也就是第三条线;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5ab5c9ea15ce36d3c0c2817837f33a87e850b1b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、我们选中第三条线,点击回车此时选中的线变为虚线,如果没变成虚线证明没有选中;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/91529822720e0cf32c9443b30746f21fbe09aa13?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、之后我们选择的是延伸对象也就是我们的第一条线;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b64543a98226cffca573b2fab4014a90f603ea19?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、点击一下它自动延伸到。第三条线上,此时我们的延伸就完成了
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9e3df8dcd100baa1b2454af34a10b912c8fc2e08?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
本回答被网友采纳
第2个回答 2018-06-28
方法有三种:一、你要确定一个延长终点,就是你要延长到哪儿,确定后,输入命令:EX,点终点线,空格一下,再点需要延长的那个线.二、你要确定一个延长终点,就是你要延长到哪儿,确定后,输入命令:S,选中需要延长的那上点,空格后,在那个点上点一下,拖至终点线的交叉处就行了.第三种,是CAD里的插件里的命令,因为不常用,另外我也是只知道04里的,别的版本我不清楚,我所这一条就不再说了!本回答被网友采纳