tempered 42crmo steel是什么意思，tempered 42crmo steel的翻译，tempered 42crmo steel音标、读音、用法和例句

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tempered 42crmo steel是什么意思，tempered 42crmo steel的翻译，tempered 42crmo steel音标、读音、用法和例句_沉淀汉英词典

tempered 42crmo steel

基本解释

专业释义

能源科学技术