空腹式拱桥
open-spandrel arch bridge
spandrel arch bridge
空腹式箱梁
box girder with hollow abdomen
空腹式型钢混凝土结构
open-web steel reinforcement concrete structure
空间分布式汇流时间
spatially distributed routing time
空间梁拱组合式桥梁
spatial girder and arch combination bridge
空间索杆铰接式伸展臂
space cable-strut deployable articulated mast
空间索面自锚式悬索桥主缆
main cable of self-anchored suspension bridge with spatial cables
空间主缆自锚式悬索桥
Self-anchored Suspension Bridge with Spatial Cable
空-空冷却式电机
air-to-air cooled machine