In concrete construction, improvement is made to traditional suspension crossingstructure.
在具体施工中，对传统悬索跨越结构作了改进。
2
In bridge construction, the major task of survey lies in the accurate setting out of abutment location, pier location, and the components of the crossingstructure.
在桥梁建设中，测量工作的主要任务是精确地放样桥墩桥台的位置和跨越结构的各个部分。
3
Space tube truss structure is a current structure type at present, its nodes are crossing connected by several steel tubes in different directions.