insulating berm是什么意思，insulating berm的翻译，insulating berm音标、读音、用法和例句

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insulating berm是什么意思，insulating berm的翻译，insulating berm音标、读音、用法和例句_绍翊字体网有道词典

insulating berm

基本解释

专业释义

交通运输工程