PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • rrosionSteel structure anti-crossion before installation, electric device protect, bearings and other moving parts waterproof, azimuth track coversHumanized design Easy operation and maintenance, necessary lift and illumination device
http://www.w3.org/ns/prov#wasQuotedFrom
  • escience.cn