exhibition center短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 展览中心 The selection of design parameters of the large-span truss cable structural system of the main exhibition center is presented. 重点阐述了主馆大跨张弦桁架体系的结构特点和设计中参数的选择； buildingstructure Prestressed string structure was used in Modern Agriculture Exhibition Center of Changchun city. 长春现代农博园展馆屋面采用预应力张弦结构。 dictall