【建筑】建筑物，预制成分【建筑】建筑物，预制成分

Prefabricated buildings

prefabricated wall (precast wall)

equipment for making prefabricated members

prefabricated concrete beam (precast concrete girder)

prefabricated bulkhead

mould for prefabricated garages

prefabricated skin flap

prefabricated compound unit