bulb angle section是什么意思，bulb angle section的翻译，bulb angle section音标、读音、用法和例句

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bulb angle section是什么意思，bulb angle section的翻译，bulb angle section音标、读音、用法和例句_流逝汉英词典

bulb angle section

基本解释

专业释义

交通运输工程