ruling pen meaning in English
划线笔
绘图笔
绘图钢笔
直线笔
制图用笔
Examples
- Ruling pens are still in use .
直线笔目前仍在使用。 - The map - makers must make their drawing tools , such as contour pen , ruling pen . but in the digital condition , map - makers depend on relevant softwares . so , developing the mapping software become inevitable
而数字制图任务的完成主要依赖于计算机软件,所以开发适当的制图应用软件系统就成了不可避免的事实。