切せつ断だん線せん

noun

cutting-plane line

Technical term used in engineering, drafting, and CAD to indicate a line along which a cross-section is taken.

• 図ず面めん上じょうの切せつ断だん線せんに沿そって断だん面めん図ずを作さく成せいする。

  Create a cross-sectional view along the cutting-plane line on the drawing.