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safety radiotelegraphy certificate
释义
safety radiotelegraphy certificate
un.
无线电报安全证书
[网络]
无线电设备安全证书;无线电安全证书;安全无线电报证书
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refining absolute loss
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refining essence to nourish brain
refining flux
refining furnace
refining fusion
refining glycerine
refining hearth
refining heat
refining hydrocarbons by magnetic means
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英汉翻译词典包含4368284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。
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更新时间:2025/12/20 18:49:25