英语词汇“engineering-grade”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	engineering-grade
释义	engineering-grade 英'endʒɪn'iərɪŋɡr'eɪd美'endʒɪn'iərɪŋɡr'eɪd COCA³¹⁵¹¹¹⁺⁴adj.工程级纯度的⁵⁰;商业纯的⁵⁰
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