英语词汇“vacuum pencil”的翻译、意思、用法、释义-英汉汉英词典

单词	vacuum pencil
释义	vacuum pencil 【工程】真空笔以上来源于：《21世纪大英汉词典》 vacuum pencil真空笔vacuum pencil真空筆物理化學儀器設備名詞
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