PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With regard to such problems as material waste, low efficiency and high energy consumption in current process of producing large bearing ring, a new process named casting-rolling compound forming technology is researched by taking the typical 42CrMo slew bearing as object.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov