...焊接球节点；铸钢节点 [gap=1581]is Court; grandstand concrete structure; large span structure; retractable roof; welded spherical joint; cast steel joint ...
基于8个网页-相关网页
... cast welded rail joint 铸焊钢轨接头 welded spherical joint 焊接球节点 ; 焊接空心球节 Welded Plate joint 钢板节点 ; 钢板节点 ...
基于1个网页-相关网页
welded hollow spherical joint 焊接空心球节点
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