Metallurgy. A superficial linear defect on worked metal usually caused by closure of a blow hole.
| 单词 | θ216290 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [noun] > imperfections > seam or lap (2) seamc1840 Metallurgy. A superficial linear defect on worked metal usually caused by closure of a blow hole. lap1914 Metallurgy. A kind of defect that results when a projecting part is folded over against the surface of the metal and pressed in (e.g. during rolling… |
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