How to change bridge abutments needs to be solved during road reconstruction and bridgemaintenance.
在公路改建和桥梁养护中,支座的更换改造已成为亟需解决的问题。
2
Abstract: highway bridgemaintenance is indispensable to ensure regular work of vehicle high speed, safety, comfort.
摘要:公路桥梁养护是保证车辆高速、 安全、 舒适行驶的不可缺少的经常性工作。
3
The HTF still spends most of its funds on highway and bridgemaintenance and construction, but in 1982 Congress created a Mass Transit account within the HTF.