engine-room ladder是什么意思，engine-room ladder的翻译，engine-room ladder音标、读音、用法和例句

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engine-room ladder是什么意思，engine-room ladder的翻译，engine-room ladder音标、读音、用法和例句_贰靶汉英词典

engine-room ladder

基本解释

专业释义

交通运输工程