post-tensioned prestressed concrete girder的意思|示意
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后张预应力混凝土主梁
post-tensioned prestressed concrete girder的网络常见释义
后张法预应力梁 后张法预应力梁 post-tensioned prestressed concrete girder 部分预应力混凝土桥 partially prestressed concrete bridge ..
post-tensioned prestressed concrete girder相关短语
1、 post-tensioned prestressed concrete box girder 后张法预应力箱梁