panting girder是什么意思，panting girder的翻译，panting girder音标、读音、用法和例句

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

panting girder

基本解释

专业释义

交通运输工程