2005DB13/T 157-2005 "Surrounding the mountains" and supporting engineering construction technical specifications
1993DB13/T 157.6-1993 Construction acceptance method of "Waishanzhuan" project
DB13/T 157.6-1993 Construction acceptance method of "Waishanzhuan" project was changed to DB13/T 157-2005 "Surrounding the mountains" and supporting engineering construction technical specifications.