level-crossing detector是什么意思，level-crossing detector的翻译，level-crossing detector音标、读音、用法和例句

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level-crossing detector是什么意思，level-crossing detector的翻译，level-crossing detector音标、读音、用法和例句_贰靶汉英词典

level-crossing detector

基本解释

专业释义

机械工程