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单词
on-line normalization of tube
释义
on-line normalization of tube
Encyclopedia
工学
金属管材轧制
释
on-line normalization of tube
钢管在线常化
轧管后钢管冷却到特定温度以下进再加热炉,在炉内将钢管加热到Ac3或Acm以上温度(加热临界温度)后,保温一段时间,使钢充分奥氏体化,然后出炉进行定(减)径后,按照一定冷却速率冷却到室温的工艺。
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varifocal
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varifold
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