vane borer是什么意思，vane borer的翻译，vane borer音标、读音、用法和例句

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vane borer是什么意思，vane borer的翻译，vane borer音标、读音、用法和例句_淳朴汉英词典

vane borer

基本解释

专业释义

经济学