lead-in lines

例句：

1. 1. The engineer useda lead-in line to connect thetwo pieces of equipment.
   工程师使用一条引线将两台设备连接起来。
2. 2. The projectmanager led the team through the lead-in lines to ensure everyone was on thesame page.
   项目经理带领团队通过引线，确保每个人都在同一页面上。
3. 3. The artist carefullyplaced the lead-in lines to createa smooth transition between scenes.
   艺术家小心翼翼地放置引线，以在场景之间创造平滑的过渡。