①主桁架系统：主要由三角形主桁架及前上横梁组成，其杆件均为型钢焊接而成。
特别声明：以上内容(如有图片或视频亦包括在内)为自媒体平台“机电号”用户上传并发布，本平台仅提供信息存储服务
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of JDZJ Hao, which is a social media platform and only provides information storage services.
/企业主营产品/
/阅读下一篇/
