軸じく線せん

noun

shaft line; axis

Technical term used in engineering and geometry for a central line around which something rotates or is arranged.

• この機き械かいの軸じく線せんがずれている。

  The shaft line of this machine is misaligned.

• 設せっ計けい図ずに軸じく線せんを引ひく。

  Draw an axis line on the blueprint.