knock-over surface是什么意思，knock-over surface的翻译，knock-over surface音标、读音、用法和例句

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knock-over surface是什么意思，knock-over surface的翻译，knock-over surface音标、读音、用法和例句_淳朴汉英词典

knock-over surface

基本解释

专业释义

纺织科学技术