tube cutting-off machine是什么意思，tube cutting-off machine的翻译，tube cutting-off machine音标、读音、用法和例句

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tube cutting-off machine是什么意思，tube cutting-off machine的翻译，tube cutting-off machine音标、读音、用法和例句_流逝汉英词典

tube cutting-off machine

基本解释

专业释义

经济学