英语词汇“beam-balanced pumping unit”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	beam-balanced pumping unit
释义	beam-balanced pumping unit 释义游梁平衡抽油机行业词典石油游梁平衡抽油机???
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英汉翻译词典包含4367426条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。

beam-balanced pumping unit