架空结构 meaning in English

aerial construction
air-right structure

Re - alignment of the upper section of bisney road at its junction with pok fu lam road involving the replacement of existing carriageway with new carriageway partly on elevated structures
将碧荔道上段与薄扶林道交界处的道路重新定线，工程包括建造新行车道部分为架空结构，以取代现有行车道
Re - alignment of the upper section of sassoon road at its junction with pok fu lam road involving the replacement of the existing carriageway with new carriageway partly on elevated structures
将沙宣道上段与薄扶林道交界处的道路重新定线，工程包括建造新行车道部分为架空结构，以取代现有行车道
Widening of the section of pok fu lam road fronting queen mary hospital involving the construction of new carriageway partly on elevated structures and reconstruction of existing carriageway
此项工程包括扩建位于玛丽医院前的一段薄扶林道，工程包括建造新的行车道部分为架空结构及重建现有行车道