预应力混凝土空心板梁桥  prestressed concrete hollow slab beam bridge

预应力混凝土空心板  hollow pre-stressed RC slab; prestressed concrete hollow slab; precast prestressed concrete slab; pre-stressed RC hollow core slab

预应力混凝土空心板梁  prestressed concrete hollow beam; prestressed concrete hollow slab beams

预应力混凝土空心底板  prestressed concrete hollow soleplate

预应力混凝土空心方桩  prestressed concrete hollow square pile

预应力混凝土空心管桩  hollow tubular piles of prestressed concrete

预应力混凝土空心楼板  pre-stressed concrete hollow floor

预应力混凝土桥  prestressed concrete; prestressed concrete bridge; prestressed concrete bridges

预应力混凝土桥结构设计  prestressed concrete beam structure design

预应力混凝土桥梁  prestressed concrete structure; prestressed concrete bridge; Pre-stressed Concrete Bridge; Pre-stressed　concrete　beam　bridge; pre-stress concrete brideg

预应力混凝土桥梁结构  Pre-stressed Concrete Bridge

低高度预应力混凝土板梁  prestressed concrete plate girder bridge

离心预应力混凝土桩  centrifugal prestressed concrete pile

预应力混凝土板  prestressed concrete slab

预应力混凝土空间结构  prestressed concrete spatial structure

预应力混凝土空间框架内节点  prestressed concrete spatial frame joint

变截面预应力混凝土连续箱梁桥  section variation pre-stressed concrete and consecutive box beam bridge

大跨度预应力混凝土斜拉桥  large span prestressed cable stayed concrete bridge

大跨径预应力混凝土连续梁桥  long-span prestressed concrete continuous bridge