leading-in pole

例句：

1. 1. The leader-in pole was used to guide the team during the race.
   领导杆用于比赛中指导团队。
2. 2. The engineer installed the leading-in pole to improve the stability of the vehicle.
   工程师安装领导杆以提高车辆的稳定性。
3. 3. The new design of the car features a sleek and efficient leading-in pole system.
   这款汽车的新设计采用了光滑且高效的领导杆系统。