red hardness
Metallurgy
noun
The property, exhibited by some steels used for machine tools, of retaining a high degree of hardness up to a low red heat.
Origin
Early 20th century.
| 单词 | red hardness |
| 释义 | red hardnessMetallurgy noun The property, exhibited by some steels used for machine tools, of retaining a high degree of hardness up to a low red heat. Origin |
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