Ruling pen
01
绘图笔, 直线笔
a specialized drawing tool with adjustable metal blades or prongs that can be set to a desired width
例子
The architect used a ruling pen to draw precise parallel lines for floor plans, ensuring accuracy and uniformity in the design.
建筑师使用鸭嘴笔为平面图绘制精确的平行线，确保设计的准确性和一致性。
During the drafting class, students learned how to use a ruling pen to create clean and crisp lines for engineering diagrams.
在制图课上，学生们学习了如何使用直线笔为工程图创建干净而清晰的线条。
