“permanent ice foot”的概念、定义、翻译、参考文献-科学参考

单词	permanent ice foot
释义	permanent ice foot [`pǝr·mǝ·nǝnt `īs ´fu̇t] ^HYDROLOGY An ice foot that does not melt completely in summer.
随便看	filter aid filter base filter bauxite filter bed filter cake filter-cake washing filter capacitor filter center filter choke filter cloth filter crystal filter design filter discrimination filtered-particle testing filtered radar data filtered stock filter factor filter feeder filter flask filter impedance compensator filtering filter leaf filter loss filter medium filter paper

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