non-electric calculator是什么意思，non-electric calculator的翻译，non-electric calculator音标、读音、用法和例句

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non-electric calculator是什么意思，non-electric calculator的翻译，non-electric calculator音标、读音、用法和例句_淳朴汉英词典

non-electric calculator

基本解释

专业释义

毉葯科學