overhead structure meaning in Chinese

顶部结构
上部结构

Entertainment technology - temporary ground - supported overhead structures used to cover the stage areas and support equipment in the production of outdoor entertainment events
娱乐业技术.架空悬挂的扬声器外壳.分类制作和结构试验
The national institute for occupational safety and health ( niosh ) requests assistance in preventing worker injuries and deaths caused by falls from suspension scaffolds . " suspension scaffold " means one or more working platforms suspended by ropes or other means from an overhead structure
职业安全和健康管理局的安全规程中对吊蓝架和其操作规程提出了明确要求，包括防坠落保护系统的使用（该系统包括：安全带、安全绳和防护栏杆等）。
Abstract : interchange bridge is an important part of interchange , and it affects the overall view of interchange . this paper summarizes the characteristics and design acquirements first , and then the outline of bridge aesthetics from both the overhead structure and the supporting structure , in order to guide , evaluate and intact the planning and designing of interchange
文摘:立交桥跨是互通式立交的主要组成部分，桥跨直接影响立交整体美观.笔者首先阐述互通式立交桥跨的美学特征及美学设计要求.然后从上部构造和下部构造等方面来说明立交桥跨的美学要点，力求从立交桥跨美学角度来指导、评估和完善立交规划与设计