H型桁
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H-girder H 型桁
flitch h girder 组合板大梁
H-type girder H型设备钢梁
H-formed steel concrete composite girder H型钢钢混叠合梁
The services including: supplying electric single girder overhead cranes, and the supply as well as installation of foundation, column, H-beam , rail busbar and accessories.
服务项目包括：电动单梁桥式起重机的供货；配套地基、立柱、行车梁及轨道滑线附属件的供货及施工。
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