英语词汇first triad是什么意思，first triad的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	first triad
释义	first triad　【化】铁三素组(指铁钴镍); 铁类金属; 铁基金属; 黑色金属
随便看	stiff as a board stiff as a ramrod stiff as buckram stiff batch stiff equation stiff flow stiff frame stiff frog stiff girder stiff joints stiff market stiff mill stiff mud stiff neck stiff neck stiff neck stiff paste stiff paste stiff paste stiff price stiff price stiff price stiff pupil stiff shaft stiff sickness

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