英语词汇“θ216285”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	θ216285
释义	society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [noun] > imperfections > cavities in casting (6) blowhole1691 = air hole, n. 2. sand-hole1691 (a) a small hole or flaw in a casting, also in glass or stone; (b) a water-hole in sand; (c) a hole in sand. air bladder1803 A cavity or vesicle in a solid substance, esp. cast metal or glass. Also: a manufactured article in the form of an air-filled bladder. air hole1813 Metallurgy. A cavity in a metal casting, produced by the escape of air through the liquid metal. Now rare. pipe1861 Metallurgy. A funnel-shaped cavity running into an ingot from the surface, caused by shrinkage of the metal during cooling; a condition… pinhole1906 Metallurgy. A very small cavity in metal, esp. in the body or surface of a casting.
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