模型介绍
<SPAn style="font-size: 9pt; font-family: Calibri;"> SPAn><SPAn style="font-size: 9pt; font-family: 宋体;">工业桁架SPAn><SPAn style="font-size: 9pt; font-family: 宋体;">草图大师模型，工业桁架又叫SPAn><SPAn style="font-size: 9pt; font-family: Calibri;">钢桁架SPAn><SPAn style="font-size: 9pt; font-family: 宋体;">，SPAn><SPAn style="font-size: 9pt; font-family: Calibri;">是指用钢材制造的桁架SPAn><SPAn style="font-size: 9pt; font-family: 宋体;">。SPAn><SPAn style="font-size: 9pt; font-family: Calibri;">工业与民用建筑的屋盖结构吊车梁、桥梁和水工闸门等，常用钢桁架作为主要承重构件。各式塔架，如桅杆塔、电视塔和输电线路塔等，常用三面、四面或多面平面桁架组成的空间钢桁架。SPAn><SPAn style="font-size: 9pt; font-family: 宋体;">易图网为您提供下载服务，好看实用。SPAn>
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