utm
abbr.
utmost 最大的;
universal testing machine 万能试验机;
universal testing module 万能试验模数;
universal test(ing) module 通用测试模块;
例句:
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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 ) .