contour pen meaning in Chinese
曲线笔
万向鸭嘴笔
Examples
- 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。