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tret

n. 添头；补秤头；估计损耗添量

英文词源

tret (n.): "allowance on goods sold by weight," c. 1500, of unknown origin; perhaps related to trait "act of drawing."

1. The results show that both are caused by decarburization in heat tret - ment.: 结果表明,两者均为热处理脱碳所引起.