“black copper”的概念、定义、翻译、参考文献-科学参考

单词	black copper
释义	black copper [¦blak `käp·ǝr] ^METALLURGY The more or less impure metallic copper (70-99% copper) produced in blast furnaces when running on oxide ores or roasted sulfide material.
随便看	setting ring setting temperature setting time settleable solids test settled settled ground settled snow settlement settler settling settling basin settling chamber settling pond settling reservoir settling rounds settling tank settling time settling velocity setup setup person setup time seven-eighths rule seven-tenths rule seven-thirds rule seventy-five-degree line

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