为保证列车行驶的平稳和安全性，高速铁路桥梁的上拱度有十分严格的限值。

To ensure the stableness and security of the train, the high speed railway's bridge camber must be extremely limited.

youdao

为保证列车行驶的平稳和安全性，高速铁路桥梁的上拱度有十分严格的限值。

To ensure the stableness and security of the train, the high speed railway's bridge camber must be extremely limited.

youdao