View of unfinished vaulted roof trusses sheeted on one side,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工
A framework of trusses, longitudinal beams, struts and peak beams is disclosed for the various roofs. The roofs may either be fixed in place or a span, spans or a portion of any number of spans may be movable, to be opened in order to provide ventilation to the structure. A ...