环行道的高速试验是在小半径，大超高，大欠超高下进行的，有着其特殊意义。

An unusual high speed test was conducted on the Loop Track under the conditions of small radius, big superelevation and large deficiency of superelevation.

youdao

环行道的高速试验是在小半径，大超高，大欠超高下进行的，有着其特殊意义。

An unusual high speed test was conducted on the Loop Track under the conditions of small radius, big superelevation and large deficiency of superelevation.

youdao