Unbonded Prestressed Concrete
无粘结预应力砼
无粘结预应力
无粘结预应力混凝土
无黏结预应力
无黏结预应力混凝土
Unbonded Prestressed Concrete Beams
unbonded prestressed concrete box girder
Unbonded Prestressed Concrete Structure
Partially Prestressed Concrete
partially prestressed concrete continued bean
partially prestressed concrete T-beam
retard-bonded partially prestressed concrete beam
retard-bonded partially prestressed concrete beam with mixed reinforcement
unbond partially prestressed concrete structu re
RPC unbonded prestressed composite beam
Unbonded Partial Prestressed Concrete
unbonded partially prestress
unbonded prestressed force
unbonded prestressed reinforced concrete frame
Unbonded Prestressed Slab
Unbonded Prestressed Tendon
Unbonded Prestressed Tendons