重大工程建设项目档案是重大工程建设项目的历史记录，是工程设计、建设、管理的基础和依据，具有重大科技、经济价值。
Item files of large project construction is the historic records and basis of design, building and management. They have great importance of scientific and technological value.
重大工程建设项目档案是重大工程建设项目的历史记录，是工程设计、建设、管理的基础和依据，具有重大科技、经济价值。
Item files of large project construction is the historic records and basis of design, building and management. They have great importance of scientific and technological value.
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