DL 5020-1993 Specifications on compiling feasibiliy study report of water conservancy and hydropower projects was changed to DL/T 5020-2007 Code for preparation of hydroelectric project feasibility study report.
DL 5020-1993 Specifications on compiling feasibiliy study report of water conservancy and hydropower projects was changed to SL 618-2013 Specification for compiling feasibility study report of water resources and hydropower projects.
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