tyre delta

The tyre delta between softs and mediums was nearly a second per lap.软胎和中性胎之间的轮胎差值接近每圈一秒。

Engineers used the tyre delta to decide which compound to fit at the final stop.工程师们利用轮胎差值来决定最后一次进站时换上哪种配方的轮胎。