... 先张法预应力混凝土管桩:Pretensioned Spun Concrete Pile 先张法预应力混凝土:pretensioning prestressed concrete 先张法;预加拉力:pre-tensioning ...
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pretensioning prestressed concrete structure 先张法预应力结构
pretensioning prestressed concrete hollow slab 先张法预应力混凝土空心板
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