cul-de-sac porosity是什么意思，cul-de-sac porosity的翻译，cul-de-sac porosity音标、读音、用法和例句

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cul-de-sac porosity是什么意思，cul-de-sac porosity的翻译，cul-de-sac porosity音标、读音、用法和例句_耀久九英英词典