Bell was referring to an internal tube carrying air that can affect the aerodynamics of the rear wing and provide extra speed on the two long straights on the Sakhir track.

Bell 指的是赛车内部一根能够传递空气的导管，它能够影响尾翼的空气动力情况从而在Sakhir赛道的两条大直道上提供额外的速度。

youdao

The two Renault Sport chassis on offer both feature wider front and rear track .

两位雷诺运动底盘发行都采用更广泛的前方和后方的轨道。

youdao

The track rod length is set so that its connection to the track arm falls on an imaginary line taken from the king pin to a point on the vehicle center line just in front of the rear axle.

转向横拉杆长度的设置要保证转向横拉杆与转向节臂的连接点位于主销到后桥前端汽车中心线上的点所形成的假想连线上。

youdao

But a puncture to his right-rear tyre slowed down his progress and he was passed on track by both Button and Alonso before coming into the pits on lap eight.

BBC: By Sarah Holt

Their new rear wing and new floor should make the car go quicker, but they do not have the track time at a race weekend to go through the thousands of combinations of ride heights and hard or soft suspension settings, versus high or low wing levels.

BBC: Behind the scenes at the German GP