heavy haul open top wagon是什么意思，heavy haul open top wagon的翻译，heavy haul open top wagon音标、读音、用法和例句

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heavy haul open top wagon是什么意思，heavy haul open top wagon的翻译，heavy haul open top wagon音标、读音、用法和例句_淳朴汉英词典

heavy haul open top wagon

基本解释

专业释义

交通运输工程