PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is used for the extraction of minerals and rich selection of mechanical and other operations, mainly including exploration machinery, ore mining machinery, basalt mining and mineral processing machinery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hxjqchina.com