hardening a cutting instrument

hardening a cutting instrument
1. закалка инструмента (упрочение инструмента методом термической обработки, осуществляемой закалкой и отпуском)
2. упрочнение режущих элементов инструмента хромированием и т.д.

Англо-русский словарь промышленной и научной лексики. 2014.

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