词汇“vellon”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	vellon
释义	vellonvellon[veˈlɔn]n.1.■低级银合金
随便看	pump valve pump valve pressing spring pump work pun puna Punakha punamustone punarnavine Punch punch punch adapter punch advance punch block mechanism punchboard punch boring punch card file punch-card machinery punch card transcriber punch check punch connection punch cutting machine punch displacement punched card accounting machine punched-card calculator punched card controlled computer

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