6The American Society of Mechanical Engineers. ASME B31.4-2009 pipeline transportation systems for liquid hydrocarbons and other liquids[S].New York:ASME,2010.
7The American Society of Mechanical Engineers. ASME B31.8-2010 gas transportation and distribution piping systems[S].New York:ASME,2010.
8The American Society of Mechanical Engineers. ASME B31.3-2008 Process Piping[S].New York:ASME,2008.
