【建筑】预制舱壁【建筑】预制护岸墙

Prefabricated buildings

prefabricated wall (precast wall)

equipment for making prefabricated members

prefabricated concrete beam (precast concrete girder)

mould for prefabricated garages

prefabricated skin flap

prefabricated compound unit

for prefabricated unit (prefab element) at the road pavement construct