plain carbon tool steel是什么意思，plain carbon tool steel的翻译，plain carbon tool steel音标、读音、用法和例句

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plain carbon tool steel是什么意思，plain carbon tool steel的翻译，plain carbon tool steel音标、读音、用法和例句_淳朴汉英词典

plain carbon tool steel

基本解释

专业释义

经济学