英语词汇“sprue pin”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	sprue pin
释义	DictionarySeepin sprue pin sprue pin In dentistry, a wax, plastic, or metal pattern used to make the channel or channels through which molten metal flows into a mold to make a casting. Also called sprue former.See also: pin sprue pin (sprū pin) A hollow or solid length of metal or wax used to attach a pattern or form to a sprue base during the laboratory fabrication of a cast metal restoration. Pin provides pathway for molten metal to pass through refractory investment into mold.
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