飞机结构动响应
aircraft structural dynamic response
飞机结构基准重量
aircraft airframe unit weight
飞机结构损伤
aircraft structure damage
飞机结构完整性
aircraft structural integrity
飞机结构维修
structural repair of an aircraft
机构结构设计
design of morphology of a mechanism
平面连杆机构结构设计与分析
designing and analysis of the planar linkage mecha
车架构件结构
frame member construction
非结构构件
nonstructural components
non-structural components
non-structure component