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单词
downhole back flow valve
释义
downhole back flow valve
网络
井下回流阀
网络释义
1.
井下回流阀
石油词汇英语翻译(CD7) ... downhill 沿坡向下
downhole back flow valve
井下回流阀
downhole blow-out preventer 井下防喷器 ...
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例句
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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/4/18 14:22:50