“heavy ends”的概念、定义、翻译、参考文献-科学参考

单词	heavy ends
释义	heavy ends [`hev·ē `enz] ^MATERIALS The highest boiling portion of a petroleum fraction.
随便看	chemically pumped laser chemically pure chemically sensitive field-effect transistor chemical machining chemical metallurgy chemical microscopy chemical milling chemical operations chemical pathology chemical polarity chemical polishing chemical porcelain chemical potential chemical precipitates chemical pressurization chemical pulp chemical pulping chemical pump chemical purity chemical reaction chemical reactivity chemical reactor chemical relaxation chemical remanent magnetization chemical reservoir

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