61阅读

to laws, of thisproject, which are located within the zone of highway affiliate...

桥、铁路桥、公路铁路两用桥、农桥、人行桥、运水桥(渡槽)及其他专用桥梁(如通过管路、电缆等)。2.按桥梁全长和跨径的不同，分为特大桥、大桥、中桥和小桥。3.按主...