four-part alloy是什么意思，four-part alloy的翻译，four-part alloy音标、读音、用法和例句

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four-part alloy是什么意思，four-part alloy的翻译，four-part alloy音标、读音、用法和例句_伍贰汉英词典

four-part alloy

基本解释

专业释义

材料科学