| 单词 | pigging back |
| 释义 | > as lemmaspigging back pigging back n. Metallurgy the addition of more pig iron to the charge in an open-hearth furnace in order to raise its carbon content.extracted from piggingn.3< as lemmas |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。