科学技术名词为您提供先张法预应力梁,pretensioned prestressed concrete girder,先张法预应力梁的意思,pretensioned prestressed concrete girder的意思,先张法预应力梁的英文,pretensioned prestressed concrete girder的翻译,先张法预应力梁的翻译,先张法预应力梁是什么意思,先张法预应力梁什么意思,pretensioned prestressed concrete girder是什么意思,pretensioned prestressed concrete girder什么意思
