untreated timber pile是什么意思，untreated timber pile的翻译，untreated timber pile音标、读音、用法和例句

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untreated timber pile是什么意思，untreated timber pile的翻译，untreated timber pile音标、读音、用法和例句_贰靶汉英词典

untreated timber pile

基本解释

专业释义

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