monoclinal folded structure
composite core structure
composite lattice core structure
core structure
铁心结构
核心结构
铁芯结构
心部组织
内核结构
核心筒结构
堆内构件
筒式结构
芯盒结构
枪芯
core structure lay-down location
independent rope core structure
banded structure structure
core barrel with rubber core container
newly-built structure and existing structure
Structure and electronic structure