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据《人民铁道》报道近日,在广州地铁4号线中铁五局集团六公司箱梁预制基地,由湖南中铁五新钢模有限责任公司技术攻关小组研制的整孔箱梁全液压自动伸缩模板,成功地预制出10跨高质量的大吨位地铁整孔箱梁,这标志着该公司研制的箱梁钢模板已达到国内先进水平。广州地铁4号线是国?
According to “People’s Railway” reported recently in Guangzhou Metro Line 4 China Railway five Board Group six prefabricated box base, Hunan Iron and Steel Co., Ltd. 5 new steel technology research team developed a full-box box girder full hydraulic automatic retractable template, Successfully prefabricated 10 high-quality large tonnage subway box girder, which marks the company developed box girder steel has reached the advanced level. Guangzhou Metro Line 4 is the country?