Overheating can result in tempered martensite ( OTM ) or untempered martensite ( UTM ) formations in the base metal.
过热会造成在本体金属中形成过回火马氏体 ( OTM ) 或者欠回火马氏体 ( UTM ) .
互联网
"untempered mortar"
"untempered steel"
"individualism untempered by social responsibilities"
"the inhumanity of his untempered principles"- M.S.Dworkin