... trussed beam bridge 桁架染桥 trussed frame 桁构架 trussed girder 构架梁 ...
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... 桁架式大梁 trussed girder 桁架式构架 trussed frame 桁架式梁 trussed beam ...
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trussed frame WESTBANK 桁构架
Beilei trussed frame pieces 贝雷桁架片
steel trussed frame arch bridge 钢桁架拱桥
trussed portal frame 桁构桥门架
transition of trussed-steel frame 转换钢桁架
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