However, prior to construction, the project had undergone more than 20 years of feasibility studies.
然而，在施工前，该项目已经经过了长达20多年的可行性研究。
Water and soil conservation plan is the essential technical document during the feasibility studies of development or construction project.
水土保持方案是开发建设项目可行性研究阶段立项必备的技术文件。
Water and soil conservation plan is the essential technical document during the feasibility studies of development or construction project.
水土保持方案是开发建设项目可行性研究阶段立项必备的技术文件。
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