precipitatation-hardening

英[prɪsɪpɪtæ'teɪʃnh'ɑːdnɪŋ] 美[prɪsɪpɪtæ'teɪʃnh'ɑːdnɪŋ]
  • 沉淀硬化
  • correction n.订正;改正;惩罚;(市价)回落
  • pre abbr.PetroleumRefiningEngineer炼油工程师
  • technology n.技术;工艺;工艺学