作者:Li Changning,Dai Yu,Sun Junhong

Li Changning,Dai Yu,Sun Junhong简介:

Li Changning,Dai Yu,Sun Junhong书籍
  • OnthebasisofbriefintroductionofdifferentstructuralfeaturesandconstructiontechnologyprocessofCRTSⅠbi-blockballastlesstrack,thisbookintroducesindetailtheconstructionprocessofCRTSⅠbi-blocksleeper;present