power network with circle structure
cuboid-like silica hollow structure
hollow structure design
local hollow structure of the arc combining with t
neck contracting hollow structure
banded structure structure
GD circle global data circle
全局数据包通讯GDcircle
全局数据包通讯GD circle
prime vertical circle {= PV circle}
Hollow gravity dam with an arch in the hollow
hollow with an arch in the hollow
connecting the newly built structure to the pristine structure
epsilon structure (= e-structure)
newly-built structure and existing structure
reinforces structure and monsary structure