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national strategy
National Sun Yat-sen University
National Taiwan Normal University
National Taiwan Ocean University
National Taiwan University of Science an
National Society of Film Critics Awards
national science and technology program
National Science and Technology Major Pr
National School of Development at Peking
National Register of Historic Places
National standardflange
- 网络国标法兰英文
National standardflangeNational standardflange
国标法兰英文
国标法兰英文（National standardflange）是指按中华人民共和国国家标准《GB/T 9112~9124-2010钢制管法兰》的规定生产的 …