[2007-08-16]. (原始内容存档于2022-04-23). TANISH CHACHRA. GroundEffect F1: What is Groundeffectin Formula 1 and why was it banned?. thesportsrush.com. 2020-08-17
incorporated in the District of Columbia, where WMATA maintains its headquarters. 已隱藏部分未翻譯内容,歡迎參與翻譯。 WMATA broke ground for its train system in 1969. The
the original manually operated "speed trap". An observer on the ground, in a vehicle or in the air simply presses a button as a vehicle passes two landmarks