◎ 轴线 zhóuxiàn
(1) [axis]∶中心线
垂直轴线
(2) [a spool of thread]∶绕在线轴上出售的棉线或丝线

1.{机} axis; axle; {地质} axial trace; axial cord; axis shaft line; shaft line
2.{纺} spool thread; spool cotton