size category fraction是什么意思，size category fraction的翻译，size category fraction音标、读音、用法和例句

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size category fraction是什么意思，size category fraction的翻译，size category fraction音标、读音、用法和例句_菜篮子兴趣思朗文词典

size category fraction

基本解释

专业释义

能源科学技术