英语词汇electric overhead travelling crane怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	electric overhead travelling crane
释义	electric overhead travelling crane 简明释义电动天车：一种安装在工厂或仓库顶部的起重设备，通常用于搬运和吊装重物。专业释义 1 经济学电动桥式起重机双语例句 1 In recent years some new profile steels are used for main girder of domestic made electric single girder overhead travelling crane. 近年来国内电动单梁起重机主梁采用一些新截面型式。
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