求翻译：中铁十九局集团有限公司是国家铁路工程施工总承包特级资质企业，是一支集公路、市政、水利水电、矿山、房屋建筑工程施工总承包的大型综合施工企业，现隶属于中国铁建股份有限公司是什么意思？

China Railway 19th Bureau Group Co., Ltd. is the national railway construction grade qualification of general contracting company, is a set of highway, municipal, water conservancy and hydropower, mining, housing construction general contracting of large-scale construction enterprises, now part of t

China Railway Group Limited is the 19 National Railway Construction general contractor for Super quality enterprise, is a set Road, municipal, water conservancy and hydropower, mining, housing construction general contractor construction of large scale integrated construction company, is now affilia

The hard 19 game of group limited companies are the national railroad project construction primary contractor top grade intelligence enterprises, is a collection road, the municipal administration, the water conservation water and electricity, the mine, the house architectural engineering constructi

19 iron in railway engineering construction Group Limited is the national General contract grade qualified enterprises, is a set of roads, municipal administration, water conservancy and hydropower, mining, building construction and general contracting of large construction enterprises, is now part

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