A channel through which molten metal, plastic, etc., flows into a mould cavity.
| 单词 | θ16376 |
| 释义 | the world > health and disease > healing > dentistry > [noun] > models or casts > impression material > channel in (3) sprue1833 A channel through which molten metal, plastic, etc., flows into a mould cavity. Subcategories:— tube for producing (2) |
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